Top 10 Custom Plastic Parts Companies In China

Custom plastic parts manufacturing plays an important role across different industries today. China, with its high-tech capabilities and affordable production, has become a top global provider in this area. This article explores the best Chinese plastic parts manufacturers, manufacturing processes, and tips for picking a reliable partner.

What is Custom Plastic Parts Manufacturing?

Custom plastic parts manufacturing means designing and producing plastic parts customized to a client’s specific needs. This includes choosing materials, making molds and using precision techniques to make parts with exact specifications. Unlike mass production, custom manufacturing has following advantages:

• Better design flexibility (93% over standard parts)
• Parts optimized for intended use (up to 40% more efficient)
• Cost-effective for small & medium volumes (30-50% savings under 10,000 units)
• Rapid prototyping and iterating (72% faster time-to-market)

Top 10 Plastic Parts Manufacturers in China

Yijin Hardware:

Founded in 2003 and located in Shenzhen, Yijin Hardware is a top custom plastic parts manufacturer. They have almost 20 years of precision machining experience. The company runs a modern 25,000 square meter facility outfitted with over 800 advanced machines. These include lathes, CNC machining centers and different specialized equipment.

Yijin is an expert across a wide range of plastics, like ABS, POM, PA66, PVC, acrylic and PEEK. Their team of more 100 skilled professionals, with 10 design engineers and 30 technical experts, provides full services from initial idea and mold design to final output. They serve industries like medical, aerospace, consumer electronics and automotive.

What makes Yijin stand out is their dedication to quality, fast turnarounds and competitive costs. Their ISO 9001-certified processes and thorough quality checks, using over 280 advanced testing tools, guarantee high-precision work. For urgent orders, they can supply samples within 24 hours.

Yijin Hardware’s Key services:

• CNC Machining
• 3D Printing
• Injection Molding
• Plastic Surface Treatments like Frosting, Silk Screen Printing, Spraying, etc.

AT-Machining:

AT-Machining focuses on high-precision CNC machining of plastic parts. Their expertness covers many engineering plastics like ABS, PEEK, POM and PTFE. With cutting-edge CNC equipment, they reach tolerances of ±0.005mm for intricate shapes. AT-Machining gives full plastic part manufacturing services from prototypes to production. They cater to sectors that require top-tier components like automotive, medical and aerospace

The services AT-Machining provides as a custom plastic products manufacturers are:

• CNC Machining
• 3D Printing
• Finish Services

3. Rapid Direct

Founded in 2009 in Shenzhen, Rapid Direct is an all-in-one solution for custom plastic parts from prototypes to production. Their specialty is high-precision plastic and metal parts for medical devices, aerospace and cars with tolerances up to ±0.02mm.

Rapid Direct excels due to their online quoting system. It gives instant pricing and DFM advice. This distinctive feature along with ISO 9001:2015 certification means quality and speed. Plastic part services include:

• CNC Machining
• Injection Molding
• 3D Printing
• Vacuum Casting

Gensun Precision Machining

Located in China’s Greater Bay Area, Gensun Precision Machining specializes in CNC turning and milling for plastic parts. With 100,000+ completed projects and over 20 years of expertise, they offer low-volume production and rapid prototyping up to 1000+ units.

Gensun’s knowledge expands to different plastics like POM, PC, PEEK, PTFE and PEI. Using advanced software like MasterCAM and SolidWorks, Gensun gives rapid prototyping and low-volume manufacturing services for parts up to 1000*600mm in size. Gensun has the following key plastic parts manufacturing services:

• CNC milling & Turning
• Surface Finish Services
• 3D Printing

3ERP

Established in 2010, 3ERP is a China-based rapid manufacturing company. Specializing in fast prototyping and low-volume output, 3ERP has finished over 30,000 global projects. Their ISO 9001:2015 certification guarantees high-quality results that meet the Western critical tolerance criteria.

Their unique selling point is their broad in-house capabilities which allows for quick 3-day turnaround times. 3ERP provides plastic manufacturing services to industries that range from automotive to medical devices. These services are

• CNC machining
• injection molding
• vacuum casting
• Different 3D printing technologies like SLS, SLA, etc.

6. 3Q Machining

3Q Machining focuses on precision CNC machining services. They provide 3-4-5 axis abilities for plastic parts and metals. Their state-of-the-art equipment reaches super tight tolerances of ±0.001mm. With no minimum order quantity and a standard 3-day lead time for simple parts, 3Q Machining suits rapid prototyping and low-volume output needs.

3Q machining works with different plastics like PEEK, PVC, ABS etc. Their complete manufacturing services for custom plastic parts include: CNC milling, 3D Printing and different surface finishes.

7. Wayken

Started in Shenzhen in 2003, Wayken has expanded into a top rapid prototyping and manufacturing firm. With a 20,000 square foot facility, they are experts in custom plastic and metal parts manufacturing.

Wayken focuses on rapid prototyping and low-volume creation of custom plastic parts. Their unique selling point is their detailed DFM (Design for Manufacturability) review which improves designs for easy manufacturing. For plastic parts manufacturing, they have different processes like vacuum casting, CNC machining and injection molding.

8. PCBWay

While best known for PCB making, PCBWay is among the top plastic parts makers in China. Their cutting-edge facility has advanced CNC machining abilities that handles differ plastics like PEEK, ABS and POM. With capacity of up to 10,000+ units and fast 24-hour turnaround for prototypes, PCBWay offers flexibility in plastic part manufacturing. Their experts handle detailed designs with tolerances down to 0.02mm.

For on-demand plastic part manufacturing they provide:

• CNC machining
• Injection Molding
• 3D Printing
• Different Surface Finishes

9. ETCN Machining

ETCN Machining focuses on high-precision CNC plastic machining services. They offer many materials including PEI, PEEK and PAI. Their state-of-the-art facility uses advanced 5-axis CNC machines. These can reach tolerances as tight as ±0.02mm.

ETCN is great at producing detailed designs and complex shapes. Therefore they service industries like medical and aerospace. With customization and fast prototyping focus, they deliver customized solutions for small and large production runs.

Their plastic part manufacturing services are:

• CNC Plastic Machining
• Surface Finishes

10. Aria Manufacturing Limited

Aria Manufacturing Limited is a custom plastic parts maker in China. They have over 15 years of experience in the industry. With a minimum order of just one piece and fast turnaround times as short as 3 days, Aria serves both prototype and production needs. Their advanced facilities have made over 1 million parts across 6,000 unique designs.

Aria’s expertness is known in using materials like PLA, ABS, and PETG across varied industries. Their commitment to quality shows through SGS and RoHS certifications. It guarantees reliability and precision in every project. Aria’s services for plastic parts manufacturing include:

• Injection molding
• 3D printing
• Vacuum casting
• CNC machining

Main Types of Plastic Manufacturing Processes

Knowing the primary plastic manufacturing processes is key for choosing the best method for your project. Let’s check out the key techniques:

· Injection molding

Injection molding forces melted plastic into a mold cavity under high pressure. It’s used to make complex shapes with very tight ±0.005 inch tolerances. It’s great for high-volume production and able to produce 100,000+ parts daily.

· CNC Machining

CNC machining uses computer-controlled cutting tools to shape plastic materials precisely up to ±0.001 inches. It works for low to medium volumes and highly detailed parts with fast turnaround times.

To explore more cnc companies, Free free to check the guides below:

Top CNC Machining Companies In China

Top 5 Axis CNC Machining Companies In China

· 3D Printing

3D printing builds parts layer-by-layer with resolution as little as 20 microns. It allows rapid prototyping and customization with minimal tooling costs that is perfect for small batches of 1-1000 units.

· Vacuum Casting

Vacuum casting uses silicone molds to produce small batches of 20-100 high-quality plastic parts. It’s best for prototypes and short production runs as it can capture details as small as 0.1mm.

· Thermoforming

Thermoforming heats plastic sheets and shapes them over molds using vacuum/pressure. It works best for large and thin-walled parts (up to 60″ in size) and commonly used in automotive and packaging field.

How to Pick a Reliable Plastic Parts Manufacturer

Choosing the right plastic parts supplier is key for your project’s success. Here are important things to keep in mind when deciding:

Check Technical Abilities and Equipment

Evaluate the manufacturer’s machinery and technology. Make sure they have the necessary equipment to produce your parts with the needed precision. Look for advanced 3D printers, CNC machines and injection molding systems that can handle your particular materials and tolerances.

Review Quality Control and Certifications

Select a manufacturer with strong quality control processes, like ISO 9001 certification. It guarantees consistent and dependable parts. Ask about their inspection methods, like 3D scanning and CMM , and their procedures for addressing defects.

Consider Communication and Project Management

Good communication is necessary for a good partnership. Evaluate their communication clarity, responsiveness, and ability to provide regular project updates. Look for manufacturers offering online platforms for real-time tracking and dedicated project managers. Also, make sure they can provide detailed documentation like inspection reports and CAD files.

Examine Past Projects and Client Testimonials

Check the manufacturer’s portfolio of completed projects and particularly those which are similar to your project in complexity, industry and materials. Read case studies and client testimonials to measure their experience and customer satisfaction. You can contact them and ask for references directly.

From Concept to Product: Yijin Hardware for Custom Plastic Manufacturing

Got a custom plastic part idea you want to make real? Yijin Hardware is a top choice.

With over 20 years under their belt and a huge 25,000 square meter shop, Yijin has decades of experience as CNC plastic part manufacturer. Their impressive lineup of 136 CNC centers and 277 multi-axis machines guarantees accuracy and on time delivery.

Yijin’s devotion to quality shows in their ISO/TS 16949 certification and over 99% happy customer rate. They excel at working with plastics like POM, PEEK, ABS. Their expertness translates into dimensional stability and great surface finishes.

Are you ready to turn your plastic concept into an actual product? Reach out to Yijin Hardware today to see their industry-top skills yourself.