Top 10 Custom Plastic Components Manufacturing Companies in China

Custom plastic parts manufacturing plays a crucial role in many industries today. With its advanced manufacturing technologies and cost-effective production, China has become a global leader in providing high-quality custom plastic parts. This article explores the top 10 custom plastic parts manufacturers in China, key manufacturing processes, and essential tips for choosing a reliable partner.

What is Custom Plastic Parts Manufacturing?

Custom plastic parts manufacturing involves the design and production of plastic components tailored to specific client needs. This process includes material selection, mold creation, and the use of precision techniques to produce parts with exact specifications.

Key Advantages:

• Design Flexibility: 93% better customization than standard parts
• Optimized Parts: Up to 40% more efficient in specific applications
• Cost-Effective: Savings of 30-50% for small and medium production volumes under 10,000 units
• Faster Prototyping: Speeds up time-to-market by up to 72%

Top 10 Custom Plastic Parts Manufacturers in China (2024)

Detailed Company Profiles

1. Yijin Hardware:

Founded: 2003 | Location: Shenzhen | ISO Certification: ISO 9001

Yijin Hardware is a leading custom plastic parts manufacturer, with over 20 years of experience and a 25,000-square-meter facility. Yijin Hardware specialize in precision machining and handle a wide range of plastics, including ABS, POM, PA66, PVC, and more. Yijin Hardware’s commitment to quality and fast delivery, with prototypes available in 24 hours, makes this company a trusted partner for industries such as medical, aerospace, and automotive.

Key Services:

• CNC Machining
• 3D Printing
• Injection Molding
• Surface Treatments (e.g., Frosting, Silk Screening)

2. AT-Machining:

Founded: 2007 | Location: Shenzhen | ISO Certification: ISO 9001

AT-Machining (https://at-machining.com/) specializes in high-precision CNC machining of plastic parts. With tolerances of ±0.005mm, they handle a variety of engineering plastics such as ABS, PEEK, and PTFE. They provide full manufacturing services from prototyping to production, serving industries including automotive, aerospace, and medical.

Key Services:

• CNC Machining
• 3D Printing
• Surface Finishing

3. Rapid Direct

Founded: 2009 | Location: Shenzhen | ISO Certification: ISO 9001:2015

Rapid Direct – https://www.rapiddirect.com/ offers an all-in-one solution for custom plastic parts from prototyping to production. Their online quoting system provides instant pricing and DFM advice, helping customers get products faster. With expertise in precision parts for medical, aerospace, and automotive industries, Rapid Direct guarantees quality with its ISO 9001:2015 certification.

Key Services:

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

4. Gensun Precision Machining

Founded: 2006 | Location: Dongguan | ISO Certification: ISO 9001

Gensun Precision Machining (https://www.china-machining.com/) specializes in CNC turning and milling for plastic parts, with over 100,000 projects completed and 20 years of industry experience. Their expertise covers a variety of plastics, including POM, PC, PEEK, PTFE, and PEI. Gensun offers low-volume production and rapid prototyping services with parts up to 1000mm x 600mm in size, making them ideal for quick turnaround projects.

Key Services:

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

5. 3ERP

Founded: 2010 | Location: Zhongshan | ISO Certification: ISO 9001:2015

3ERP (https://www.3erp.com/) is a rapid manufacturing company offering fast prototyping and low-volume production. With over 30,000 global projects completed, they have built a reputation for their fast 3-day turnaround time. Their broad in-house capabilities include CNC machining, injection molding, and vacuum casting, serving industries such as automotive and medical devices.

Key Services:

• CNC Machining
• Injection Molding
• Vacuum Casting
• 3D Printing Technologies (SLS, SLA, etc.)

6. 3Q Machining

Founded: 2014 | Location: Dongguan | ISO Certification: ISO 9001

3Q Machining – https://www.3qmachining.com/ provides precision CNC machining services for both plastic and metal components. With 3-4-5 axis capabilities, they achieve tolerances of ±0.001mm, making them a preferred partner for high-precision requirements. They have no minimum order quantity, making them ideal for rapid prototyping and small-volume production.

Key Services:

• CNC Milling
• 3D Printing
• Surface Finishing

7. Wayken

Founded: 2002 | Location: Shenzhen | ISO Certification: ISO 9001

Wayken (https://waykenrm.com/) is a leading rapid prototyping and manufacturing firm with a focus on low-volume production. Their Design for Manufacturability (DFM) review process helps optimize designs for easier production. Wayken offers a range of plastic part manufacturing services, including CNC machining, vacuum casting, and injection molding, making them a go-to solution for industries like automotive and electronics.

Key Services:

• CNC Machining
• Injection Molding
• Vacuum Casting

8. PCBWay

Founded: 2014 | Location: Shenzhen | ISO Certification: ISO 9001

While PCBWay – https://pcbway.com/ is known for its PCB manufacturing, it also excels in plastic part production. Their advanced CNC machining capabilities handle a variety of plastics, such as PEEK, ABS, and POM. With a capacity of over 10,000 units and a fast 24-hour prototype turnaround, PCBWay provides flexible plastic part manufacturing solutions.

Key Services:

• CNC Machining
• Injection Molding
• 3D Printing
• Surface Finishing

9. ETCN Machining

Founded: 2008 | Location: Shanghai | ISO Certification: ISO 9001

ETCN Machining (https://etcnmachining.com/) specializes in high-precision CNC plastic machining, with capabilities to handle complex designs and tight tolerances (±0.02mm). Their state-of-the-art 5-axis CNC machines allow for the production of intricate parts. ETCN focuses on delivering customized solutions for both small and large production runs, serving industries such as medical and aerospace.

Key Services:

• CNC Plastic Machining
• Surface Finishing

10. Aria Manufacturing Limited

Founded: 2010 | Location: Dongguan | ISO Certification: ISO 9001

Aria Manufacturing Limited (https://www.madearia.com/)offers over 15 years of expertise in producing custom plastic parts with a focus on rapid prototyping and small production runs. Their facility has produced over 1 million parts across 6,000 unique designs. Aria is known for using various materials, including PLA, ABS, and PETG, with a strong commitment to quality as evidenced by their SGS and RoHS certifications.

Key Services:

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

How to Pick a Reliable Plastic Parts Manufacturer

Choosing the right plastic parts manufacturer is crucial to ensuring the quality and success of your project. It’s important to evaluate several key factors, such as technical capabilities, quality control, and communication, to ensure manufacturers of plastic parts can meet your specific needs. Below are the essential criteria to consider when selecting a reliable manufacturing partner:

Check Technical Capabilities

The technical capabilities of a manufacturer are critical for the success of your project. Make sure the company has state-of-the-art equipment, such as advanced CNC machines, 3D printers, and injection molding systems. These machines enable precision, scalability, and flexibility. Manufacturers with the latest technology can handle complex designs and meet specific tolerances, ensuring that the final product matches your exact specifications. Additionally, ask about their software capabilities (e.g., CAD/CAM software) to ensure seamless production from design to output.

Review Quality Control & Certifications

A strong quality control process is a hallmark of a reliable manufacturer. Certifications like ISO 9001 indicate that the company adheres to globally recognized quality management standards, ensuring consistent, defect-free production. Look for manufacturers that perform regular inspections, such as using Coordinate Measuring Machines (CMM) or 3D scanning for quality checks. Ask for details on their defect handling process and the steps they take to prevent production issues. Robust quality control reduces risks and gives you peace of mind that your project will meet the required standards.

Communication & Project Management

Clear and consistent communication is vital for the smooth execution of your project. Reliable manufacturers provide dedicated project managers who act as your point of contact throughout the manufacturing process. This ensures accountability and reduces delays. Look for manufacturers that offer online project management tools or real-time tracking systems, enabling you to monitor progress and make adjustments as necessary. Effective communication ensures that any potential issues are addressed quickly, keeping your project on schedule.

Past Projects & Testimonials

When selecting a manufacturer, it’s important to review their track record. Look for case studies or testimonials that demonstrate their ability to handle projects similar to yours. Plastic parts suppliers with experience in your industry are more likely to understand the challenges and technical requirements, ensuring they can deliver the desired results. Additionally, reach out to previous clients to ask about their experience with the manufacturer, focusing on areas like adherence to deadlines, product quality, and responsiveness.

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.

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