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Frequently Asked Questions

Get answers to the most common questions about our services, processes, and capabilities. Need more help?  Contact us directly!

Are you a direct CNC factory?
Yes, we are. Shanghai Elue has been working in this CNC Machining filed since 2006, and we have the most advanced equipment in house to provide rapid prototyping and mass production service. Right now we are employing roughly 80 workers in our factory, 40 for CNC operations, 10 for engineering support, 15 for deburring and packing, and the rest for quality control, material purchasing and some management.
Compared with some automated quoting system, our process is not very fast. But compared with most competitors, we’re super fast and ahead of most competitors in machining industry. Firstly, We make sure all rfqs will be replied within 2-6hours. Secondly,during machining progress,we update progress every 3-5days. Finally, photos or videos will be taken before and after packing,with labels(PO#, Qty, part#) marked on the outer boxes, so you can understand easily what parts are inside when you sign for the package without even opening the box. We make sure the whole processing will be smooth and easy.
You can upload 3D CAD model to our website, our engineering team will reach out with a quote within 6hours by email. Or you can send us email with drawings to ask for quote directly cora.feng@elueindustry.com. Please remember to mark clearly the materials, surface finish, tolerances and quantity on the drawing for an accurate quote within 6hours.

1.One-stop service:
We can support you all the way from engineering drawings, rapid prototyping, small-batch running, until mass production, post-processing and mechanical assembly.

2. Big Capacity:

Well-equipped Facility with mass production capacity, from CNC turning, milling, grinding, wire EDM, swiss machining, etc. over 80 machine operators to run your projects without stop.

3. 100% Quality Guarantee
Excellent after-sales service. Free replacements will be provided for quality or broken problems.As soon as you receive the parts and find anything not correct, take us photos and we’ll investigate immediately and give a reply within 24hours.

4. ISO9001/IATF16949 certified
The whole processing will trictly abide by the requirements of the quality control system, and we are commited to delivering the best CNC products you can find in China.

5. Strong engineering support

We can help you to make 3d files if you provide us rough drawings and my engineering can also help on DFM report after you upload files, meanwhile the right materials and surface finishes will be suggested based on your applications. It means that our decades of experience is free for you to use.

Be honest, we can’t disclose exactly the listing of our customers, because of the competitive nature of the projects we work on, but there are some top 500 companies to show like Honeywell/Festo/HUAWEI, and we’re always running some mass production projects for the high precision machined parts.
We currently have more than 80 machines including automatic lathes 10sets, CNC turning lathes 10sets, Sodick wire cutting machines 8sets, CNC machining centers including Fanuc/Brother 25sets, Precision grinding machines 15sets, and more. With our rapid growth, we’re buying new machines every year and this number is always changing.
We can accept CAD systems output in IGES (.igs), STEP (.stp), Parasolid (.x_t) format, Solidworks in .sldprt. If possible, please send us Two-dimensional (2D) drawings in PDF format to check more details like tolerances, surface finishe or other special notes.
Yes we can help on 3d models making, but only from your hand-made drawings or samples, not design from your idea. Generally speaking,some customers can’t make drawings in house, and it takes much time and money to get help from an engineering company. Under this situation, they can provide hand-making drawings with all sizes marked, we can start from there and the finished 3d files will be sent for approval.
yes sure. We can provide FAI to confirm quality, and then the mass production will take place upon your approval.
Yes, it’s fine to use your material if it fits in our machine well. But in most cases, it’s easy to get what you need from local material supplier, whether it’s imported or China similar types. and for majority overseas customers, they wouldn’t take this trouble to ship long way here. But we do have some customers who want to use USA-made plastic materials which are not easily available in China market.
Yes, your master models can be 3D scanned to create a CAD/CAM program for CNC production.
Generally speaking, if you don’t have any request on the confidentiality, we will take some photos to keep records for your future references. But if you need to keep the designs onfidential, we of course will sign and adhere to any non-disclosure agreement. Besides, we rely on our reputation of working with thousands of unique designs over the years and never allowing any proprietary information to be disclosed to a third party.
It’s not easy to give an accurate figure on the pricing comparisons, but from the feedback we received of our old customers, our pricing is typically 25-45% less for plastic injection molds and CNC machined parts when comparing with their local workshops in North America and Europe. While comparing to our competitors in local market, it’s very hard to say because China is a huge market, and you can always expect quite different pricing. So we choose to not to compete on price but to offer the first-class quality, rapid response and fantastic after-sales.
If you provide us complete 2D and 3D CAD models, we can deliver the parts as fast as 3-5 working days if the order is in small quantity like 10-20pcs. While more complex parts or special features or mass production will take longer. So it’s better to submit your drawings first, we’re fully equipped and will be much faster than most machining suppliers.
Depending on your order quantity, we can use air shipping door-door service, and also sea shipping door-door on DDP term. It means that you don’t need to do anything even import taxes, we’ll handle everything for you and you just wait for the parts in your office. While for express service like Fedex or UPS, it’ll take only a few days from China to Europe or North America. This service you may need to pay for taxes yourself.

• Once your order is confirmed, we will perform a full Design for Manufacturing (DFM) review to point out any issues that our engineers feel may affect the quality of your parts.

• All incoming materials are inspected and verified with our testing equipment.
• Process quality control will be done during machining and make records.
• Final inspection reports will be made before shipment.
• Photos or videos will be taken during the whole processing and also before shipping.
• 100% quality guarantee: if you find that the parts arrived in bad condition from shipping, please take us photos and we’ll replace immediatly free of charge. Or if you find the parts out of tolerance, still take us photos to show your inspection results, we’ll investigate the problem and replace free parts.
• We have the ability to share inspection data with you in real-time so we can work together to address any quality issues you may have during production.

We offer a wide variety of finishing services for both CNC machining parts and plastic injection molds. It includes polishing, painting, powder coating, passivation, anodizing, plating, black oxide, etc for machined parts, and also printing, texturing for plastic molding.
Yes we can passivate. Passivation is a process used to protect metals from corrosion and makes machining parts more durable. It involves the formation of an inert (non-reactive) layer on the metal surface, which prevents further oxidation and protects against corrosive attack.
Be honest, we can’t tell the exact figure of your impot tariff, because it varies widely among different countries. Our majority customers come from USA, and we always ship to them via DDP term, it means the import duties included into the quote. For most orders come in 20-300kg each shipment, whether it’s about air shipping DDP or sea shipping DDP, it’s widely used here. Anyway, if you don’t want to go this way, you can pay for import taxes yourself, and most countries will conform to the international HS(Harmonized System) codes based on the goods classification.
For express shipments, we use Delivered Duty Unpaid (DDU), which means that the client is responsible for paying import duty when the goods arrive to your destination. While DDP is also very poplular in European and American market, it’s suitable for both air shipping and sea shipping. DDP means that we will handle almost everything including your import duties, you just need to release a PO and wait for parts to be delivered at your door.

Yes we provide both export molds and also mass production plastic injection parts. If you want molds only and ship them to your own injection workshop for production, please make sure to tell this before ordering. So that we can make sure the molds can fit your machines.

Besides, we’ll do mold maintenance in our workshop before shipping to you. And the extra mold components will be matched to support your own mold maintenance.

Firstly, we make sure all parts will be machined exactly as per required, including materials, surface finish and tolerances. If there is some dispute by your subjective determination, please feel free to bring it up and our management will act and do our best to make you satisfied. And our goal is always to win your confidence in our machining ability to meet and exceed the expectations.

New customers should pay in advance along with PO, after that we will consider giving some days credit.

 Generally speaking, all machining orders will go through 40% deposit + 60% balance before shipping while tooling orders require 50% deposit in advance and the balance to be paid after T1 approval of samples.

Shanghai Elue accepts payment in two ways:

• Bank to bank wire transfer. Elue has accounts in Hong Kong and Shanghai, China.
• Elue can send you a PayPal invoice and you can use your PayPal account or credit card to pay.

Sure, samples are totally ok to check quality before placing orders. There are 2 ways for samples making: we calculate samples cost and you pay; if you are confident in our ability and your designs, you can release PO directly and we will make free samples to confirm before production.
Not all the time. It depends on the complexity of the pats, if the part is quite simple, we can make you free samples and ship via your Fedex account.
Yes. We will arrange remakes for you as soon as we investigated the problem. Please provide us with pictures to show the quality issue so we can identify them and avoid such issues for your future orders. All the replacement cost including shipping will be on us. Our ultimate goal is zero defect and 100% customer satisfaction.
Yes, we can offer FAI and there will be extra cost for this service. Please advise your exact requirements and we’ll include this into the quote.
As a state-of-the-art machine shop located in Shanghai, we have almost complete inspection tools like optical comparators, plug gages, ring gages, thread gages, height gages, projectors, hardness tester, and also CMM which are enough to handle major inspection jobs.
Yes, they are. We make sure all our inspection equipment will be calibrated each year and accurate to measure.
NO MOQ and we don’t have any request on order size, you can start from even 1pc and put more of your business after you test quality and service. It means that we accept rapid prototyping,short runs and large lot size.
We can process majority metals and plastics, including steel alloys, stainless steel, aluminum, brass, titanium alloys and plastics. We can also help you choose the best material for your application.
Our company has been in business since 2006 and we started to do export in 2010, with our main market in North America, Europe and Australia. And we have deep cooperation with those OEM manufacturers from various sectors in Electronics, Auto, Machinery, Robotics, Medical, etc.
Shanghai Elue has the capability to produce many types of Inspection for the majority of industries such as aerospace, automotive, medical, and electronic industries. (PPAP, Control Plan, FAI, ISW, AS9102)

The General tolerances for linear and angular dimensions of the parts produced by Elue follow the international standard ISO 2768-1:


-Medium “m” for CNC machined plastic parts.
-Fine “f” for CNC machined metal parts.
Except that, we can also work on very high precision components in +-0.005mm or even 0.002mm, and such tolerances should be indicated in your technical drawings. But we don’t suggest too tight tolerance unless it’s a must, because the high precision will increase machining cost.

The type of surface roughness that can be achieved with machining depends on the type of tool used, the material being machined, and the cutting parameters applied. 

With modern CNC machine tools, very high levels of accuracy and surface roughness can be achieved, even for difficult-to-machine materials.The standard surface roughness achieved by CNC machining is 3.2µm Ra. While we can also do Ra1.6, Ra0.8 and even Ra0.4. 

Detailed information can be discussed with our engineering.

It is not mandatory but we strongly recommend both 3D and 2D drawing files on every project. So that we can use 2d files to do inspection reports. If you don’t have any special tolerance or special notes, 3d files are also acceptable to finish the order.

CNC machining parts are widely used in those OEM manufacturing companies, and It’s not always so easy to find a long term partner. Below are some points you should take into consideration when you look for a reliable machining supplier:

Facilities
You should work with a machine shop which is equipped with various machines to make sure majority of machining is done in house. Because it’s hard to finish the parts by one or two types of machines, and precision machining always requires the use of various equipment depending on the products complexity. The other benefits of a good facility are consistent quality and on-time delivery.

Experience
Long years of experience means that the workshop has worked on various projects and tackled lots of technical problems before, and it helps to accomplish any task in the most efficient manner.

Customer Support
You should expect a timely response to your inquiries whether it’s your questions or quote. A good manufacturer should make high quality machining parts, except that, they must be equipped with excellent sense of customer service and communication skills, it will save much time to talk.

Quality control
Ask the supplier what kind of quality certifications they have obtained, and how they do quality control during the processing. Also you can ask for material certificate and inspection reports to ship along with the goods.

Face-face video meeting
Because of covid these years, it’s not easy to visit the suppliers personally, so our suggestion is that you can ask the supplier to show you around their facility from a video meeting, to see their machines, their workers, their inspection room, and you can ask whatever questions you may have over the meeting.

To conclude, Shanghai Elue has all the qualities to meet the high standard of a great CNC precision machining manufacturer. You can put your trust in us for manufacturing your high precision products.

Firstly, we never cater for lower pricing by decreasing quality. To meet the high precision request from those high-end customers, we employ the most experienced machining operators and also the most advanced equipment, all the machining centers are imported from Japan and Europe. Besides, we offer one-stop machining services including cnc turning and milling, precision grinding, wire EDM,etc. Except equipment, we also make sure the materials are selected strictly from our long term material suppliers with certificates.
Except the surface finish, we complete all machining at our facilities. It means that we can control the whole production including quality control easily than those outsourcing companies. And we can also update the progress with photos or videos on time whenever you ask the production status here without delay.

Small orders below 100pcs, we’ll do 100% inspection for dimensions and surface finishes; for big and stable production orders, we’ll do spot-checking maybe 30-50% depending on the tolerenace requested.

Last but not least, We promise 100% quality guarantee for our CNC machined parts.if you find any quality problem with your machined parts,feel free to write emails and we’ll make you free replacements.

Yes we can provide you material inspection reports for your checking before running the project. If we can’t find the exact type you requested, we’ll suggest similar materials to meet your demand.
Generally speaking, this seldome happens. For a running CNC project, we’ll make you samples to confirm before production, we make sure the sizes are within tolerence before shipping. Anyway, if you find anything out of tolerance, please don’t hesitate to reach out quickly and we’ll investigate and give a solution.

Firstly, you need to take photos if the outer packing broken, so we can use these photos to check with Fedx or UPS, they will investigate the problems.

But if the outer box is ok, the inner parts are scratched, it should be the packing problem, we’ll investigate seriously in our company and give a solution then.

Most of our shipments are sent via air freight, which can take a few days from China to Europe or North America. Generally, for European and North American countries countries, it’ll take around 3-6 working days, but under some special situations like high-peak season or pandemic, it’ll be a bit longer.

We can provide one-stop fabrication and surface finishing service based on CNC Machining, below are the value-added services we provide:


• Engineering Cad files preparing
• Heat treatment
• Surface finishes like plating, anodizing, powder coating, black oxide, Polishing,etc.
• Machined products Engraving
• Machined parts laser marking
• Warehousing stock
• Bending/ Welding/ Brazing
• Customized Packaging

Can I ship my own material for CNC production?
Yes of course, we can use your materials for custom machining and you just need to pay us the machining cost.

Our in-depth CNC machining quality-control process is just one of the many reasons why thousands of businesses worldwide choose us for their production needs. 

This process starts with incoming materials, on which our staff performs a comprehensive inspection to verify integrity and performance. 

During production, we also perform in-process inspection and testing to make sure each part is produced exactly to your specifications.

1) could be reached 24/7,which means there would be never delays for your projects running with Shanghai Elue.

2) progress update:upon receipt of order,we will update you the progress with photos and videos each 3-5 days to make sure you know the latest progress with your projects, just like you are visiting the facility by yourself.

3) quality guarantee: we give 100% quality guarantee, and the inspection reports could be sent along with goods. if you find any parts out of tolerence from production orders, we promise to replace new parts free of charges.

4) well-equipped facility: we have the state-of-the-art imported high precision machining equipment to meet your one-stop demand with first-class quality you can expect.

The standard tolerence for our CNC Machining parts should Comply with DIN-2768, that’s typically ± 0.005 used for those unspecified tolerence.
At Shanghai Elue,our QC members will utilize height gages, thread gages,R gage, microscopes, 2D projectors, micrometers, and CMM to ensure that the products are machined exactly to your specifications.
CNC machining has been widely used for manufacturing production-quality parts in any quantity because of its good advantages like fast turnaround, high accuracy, Cost-Effectiveness and Increased Productivity.
It depends on your own request if any critical size is a must, we will make everything from your drawings. The standard tolerence for machined metal parts is .05 microns, which is suitable for most commercial and industrial applications.
At shanghai Elue, we can machine majority metals and plastics. Common metal materials include aluminum, brass, copper, steel, stainless steel and titanium, and plasticslike PE, PP, PEEK, PVC, ABS, POM, PC, Nylon, etc.
Both CNC lathe turning and CNC milling play very important roles in custom precision parts processing. The primary difference bwteen them is that the CNC lathe cutting tool is stationary when turning parts, while the CNC milling machine tools will move to cut into the stationary parts.
Yes,we do. We are equipped with various machining equipment from 3 axis to 5 axis cnc machines and we can operate cnc turning, cnc milling, precision grinding, centerless grinding, Deep hole drilling,edm, wedm,etc. This allows us a good quality control on all our parts than those companies that outsource machining.
Swiss CNC machining is one type of high precision and efficient machining and it has a wide range of capabilities like drilling, boring, turning, and milling and knurling.. They can also run through threading processing like Internal and External Threading,tapping, and thread rolling.
Swiss CNC machined parts can be used in a wide range of industries becase of its high accuracy and tolerence, like Medical, Aerospace, Military, Automotive, Hydraulic, Electronics, Pneumatic, Power Transmission,etc.

Swiss machining was designed to achieve tight tolerances while improving the repeatability and quality of production components. There are many advantages including:


1) increase productivity, bringing down the unit price much lower.
2) high precision, suitable for small and complex parts.
3) Smoother Surface Finish, the overal surface finish will be improved.

CNC Machined prototypes can be made as fast as 3 days.

We can provide one-stop fabrication and surface finishing service based on CNC Machining, below are the value-added services we provide:


• Engineering Cad files preparing
• Heat treatment
• Surface finishes like plating, anodizing, powder coating, black oxide, Polishing,etc.
• Machined products Engraving
• Machined parts laser marking
• Warehousing stock
• Bending/ Welding/ Brazing
• Customized Packaging

As-machined finish is one type of standard finish without secondary surface treatment, there will be some visible tool marks but we’ll take care of the deburring, which is a fast and cost-saving machining method.

To reduce the machining cost, there are several points to be considered. That’s the material cost, start-up cost, machining time, design complexity, tolerances request.


1) the designs should be easily and quickly machined, for instance, choosing the correct radii for internal corners instead of sharp angles, reducing the depth of cavity, wall thickness should be suitable for processing, not too thin, limiting thread length and holes depth, applying standard threads which we can match you right screws here.

2) Material costs can be reduced by considering the standard thickness of the aluminum plates, so we can avoid machining this thickness which saves much time, and consider softer alloys which is faster to machine than those heat-treatment ones. Also the right type of standard angle aluminum or angle steel will save both materials and machining costs. But you have to make sure that the material can meet the function of your machined parts, not just to save money.

3)the Suitable applications of tight tolerence, only use tolerences when necessary, because the tight tolerance will be always much more expensive than normal sizes.

Rapid Prototyping emphasizes a fast turnaround, it is very useful in designing and engineering testing stage which will be used as a basis for production. Among those fabrication technics, many ones prefer to go for CNC prototype machining over other methods.

1)Expensive than 3D Printing. Greater human supervision, large power supply consumption, and expensive raw materials make CNC prototype machining more expensive than 3D printing.

2)Some Geometrical Restrictions. For some parts with complex internal geometric, CNC prototype machining is not suitable as it is restricted by cutting tool angles.

3)Waste Material. CNC machining is a subtractive process and by applying drilling, lathing, grinding, milling, and routing, a large percentage of the raw material is removed.

What Kind Of Plastic Resins Do You Mold?
There are 20+ types of thermoplastics we use here in our injection molding workshop, the most often used ones include ABS,POM,PE, NYLON,PC,PP, PET, PBT, PA+GF, PC+ABS,etc.
It depends on the end application of the product. If you are not sure how to select the right material, we can guide you through the material selection process and you approve it before moving forward.

– You upload CAD files as well as necessary info about materials, production quantity, texture needed, etc.

– We send a quote, and you release a Purchase Order if you agree everything.

– We start on mold DFM report, you confirm.

– We work on mold designs, you confirm.

– We start to build molds and update the progress during molds making.

– Ship T1 samples to customers for approval.

– Start mass production.

– Packing&shipping.

Yes we can, we work on insert molding with any metal inserts.
You can keep the molds here for future running or You can ship the molds back. Right now, the customers prefer to stock the plastic molds here for repeat orders,and we’ll help to do regular maintenance and care to make sure the molds can run smoothly.
The quality inspection will be done Throughout the whole process from molds making,T1 samples and also mass production. To make sure the production quality is stable,the machine operator will do inspection every one hour,also our inspectors will do checks every 2 hours from various inspection tools.
Most of the plastic raw materials can be recycled, which is very beneficial to energy saving and environmental protection, but because the recycled plastic is more brittle than the raw materials, so it can not be used alone but to mix with new materials together,and there are strict requirements for the proportion.
Yes we can, but it’s better to mold in your molds making company because there may be some tools problems which can be fixed by them more easily.

The most important is the product design, then you need to consider the order quantity and the tooling cost.

So you need to check with a injection mold expert to make sure if your project is suitable to make a mold.

We can’t tell an accurate MOQ for each project, it depends on how complicated the molds will be. Anyway, for any projects less than 500pcs will not work for us.
We can produce injection parts ranging from 3grams to 1500 grams.and the sizes from 1″ x 1″ x 1″ to 40″ x 40″ x 30″.
We can make prototype tooling but NO production for these tools, they can be shipped to your own facility. The injection molds we build are mainly for mass production.
Yes we can provide post processing after plastic molding production finish, like surafce finish, custom packing or even electronics assembly.
Yes, we provide both molds making and plastic injection service.
We operate over 20 sets plastic injection molding machines from 50 tons to 980 tons.

Our main market is North America and Europe, and our customers work in different industries like electronics,Automotive parts, Home Appliance parts,Household Parts,Aerospace, Medical Device,etc. 

As a custom plastic injection molder we have Gained much experiences in various industries which can help us to support your molding projects well whether it’s a complicated part or not.

Yes, sure. The free samples will be delivered to confirm after molds testing, and the mass production will be taken upon your approval on samples.

The molds wil be coated auti-rust oil first before being covered with thin film, then they will be put into wooden boxes which are standard for export.

And for injection parts, we will pack them with individual bubble film first and then put into standard cartons. If you have any special request, we can talk details then.

Yes. We build lots of hot runner moulds and the most often used hot runners are DME, Mold Master, Hasco, Yudo, etc.
We can suggest the right type mold steel depending on your requested mold life, or you can also decide yourself.The most often used steel includes P20, 718, NAK80, H13, S136,etc.
Yes sure. The exact material report for the steel we used for your plastic molds making will be provided for your checking, also the heat treatment certificate.

Yes we can. As a professional plastic molding supplier, these are just very common requests. 

We offer standard SPI finishes, EDM texturing, and other types of textures based on your request. Text can be CNC machined on the molds directly, if you want it done after plastic molding finish, either is ok.

It’s hard to tell a mold cost without the specific info, the pricing is really a Combined Factors from the mold design, mold steel type,runner system, order quantity,etc.
A professional plastic mold manufacturer should be certified with ISO9001, he can identify raw materials, conduct inspection controls through the whole molds making and injection stages to make sure all parts meet the request.
The plastic injection mould is composed of a cavity and a core. An easy way to tell the difference is that The cavity is usually fixed while the core is movable with ejector pins.

Molds are divided into three classes according to the materials they are molded into. Metal hardware moulds, plastic moulds and special moulds.

Hardware molds include stamping dies (such as blanking die, bending die, drawing die, flanging die, shrinkage die, undulating die, bulging die, shaping die, etc.) , casting molds, forging molds, extrusion die, etc.

Plastic mold can be generally divided into: injection molding, extrusion molding, blowing molds and so on.

There are many factors that affect the mold life, like
mold structure design, the steel type properties, and conditions, mold working state, mold maintenance,etc.

1) mold structure design -a reasonable die structure helps to improve the bearing capacity of the die, minus the mechanical load borne by the die.

2) steel type properties – we should choose the right steel type depending on your expected production quantity.

3) Tooling quality- any defects for the mold components during machining, Electrical discharge machining, quenching, and surface treatment will have a significant impact on the wear resistance, bite resistance, and fracture resistance of molds.

4) mold processing technology- when molds are in working state, the accuracy and stiffness of the equipment used, the state of the material to be processed, die preheating and cooling conditions will affect the life of the die.

Every mold is divided into two halves, the parting line ( or parting surface) is where the core meets the cavity, that is where the moving halve and the fixed halve meets and formed an edge. 

It’s usually located at the largest section of a product, and when we start on mold DFM reports, it’s always crucial to decide where one part will meet the other. And then we have to discuss with the customer if this parting line is ok for them, because some parts have cosmetic request.

The suitable wall thickness for plastic molding projects is around 1mm-3.5mm, and we also need to check the product structures to suggest the most accurate thickness. 

When you have a ready molding project to move forward, please feel free to talk with our molding engineers to get the expert molding suggestions.

Plastic molding shrinkage is the shrinkage of plastic parts during cooling after injection molding. 

Depending on plastic type, wall thickness, cooling rates and other variables, typical shrinkage varies between 0.001/in/in and .020/in/in. Generally speaking, the average rate of shrinkage is around 0.006/in/in.

The plastics shrinkage is important when you design the products, so that the part designers can present the right scale size of the drawing to mold manufacturing factory like Shanghai Elue.
In the process of injection molding, there would be some quality problems, like minor surface defects, Lack of glue, bubble, shrinkage, fusion mark, black spot, stripe, warping, lamination, peeling, etc. But no worries, our expert engineering team will get a way to get them fixed finally.
The main difference between Hasco and DME standard is that Hasco is mainly used in European mould designs and it is in metric, while DME is mostly used in American mould designs and it is in inches.

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