Top 10 Plastic Injection Mould Manufacturers In China (2026 SEO Buyer Guide)

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Top 10 Plastic Injection Mould Manufacturers In China (2026 SEO Buyer Guide)

China has become one of the world’s most important manufacturing hubs for plastic injection mould making, serving industries such as automotive, medical devices, consumer electronics, home appliances, industrial equipment, and packaging. With strong engineering expertise, advanced tooling equipment, and competitive production costs, Chinese injection mould manufacturers support global buyers from mold design and fabrication to mass production.

This guide introduces the Top 10 Plastic Injection Mould Manufacturers in China, selected based on mold-making capability, engineering depth, international project experience, and long-term reliability. Each company profile highlights its positioning to help buyers quickly identify the most suitable supplier.

Top 10 Plastic Injection Mould Manufacturers In China 2026

What Is Plastic Injection Mould Manufacturing?

Plastic injection mould manufacturing refers to the design and fabrication of precision molds used to produce plastic parts by injecting molten plastic into a mold cavity. The quality of the mold directly affects part accuracy, surface finish, cycle time, and production cost.

Injection molds are typically used for:

  • Automotive interior and exterior components

  • Medical device housings and disposables

  • Consumer electronics enclosures

  • Industrial and mechanical parts

  • Packaging and daily-use products

Why Choose Plastic Injection Mould Manufacturers In China?

China’s injection mold industry has developed rapidly over the past 20 years, moving far beyond low-cost tooling into high-precision, export-grade mold manufacturing.

Key advantages include:

  • Strong mold design and DFM capability

  • Advanced CNC, EDM, and wire-cut equipment

  • Experience with multi-cavity and complex molds

  • Cost-effective tooling for global markets

  • Ability to support both prototyping and mass production

Top 10 Plastic Injection Mould Manufacturers In China

1. SunOn Industrial Group Limited

Founded: 1997
Website: https://www.sunon-mould.com/

SunOn Industrial Group Limited is a well-established manufacturer specializing in plastic injection mould design, mold fabrication, and injection molding production. With nearly three decades of experience, SunOn supports customers from early product development through large-scale manufacturing.

SunOn is often chosen by global buyers seeking a prototype-to-production mold partner, especially for automotive, medical, and industrial applications requiring long-term tooling stability.

Best for:

  • Complex injection molds

  • Projects scaling from prototype to mass production

  • Long-term global manufacturing partnerships

2. DEK Manufacturing

Founded: 2002
Website: https://www.dekmake.com/

DEK Manufacturing provides precision mold making and injection molding services, supported by strong CNC machining capabilities. The company focuses on high-quality tooling and consistent mold performance for demanding applications.

DEK is commonly selected for projects requiring tight tolerances and detailed engineering documentation.

3. Star Rapid

Founded: 2005
Website: http://www.starrapid.com/

Star Rapid offers rapid tooling and plastic injection mould manufacturing, supporting both prototype molds and low-volume production. The company is widely used by overseas customers who need fast turnaround and flexible tooling options.

Star Rapid’s strength lies in bridging the gap between prototype validation and production-ready molds.

4. Runsom Precision

Founded: 2005
Website: https://www.runsom.com/

Runsom Precision provides custom injection mould manufacturing alongside CNC machining and finishing services. The company supports plastic molds for functional parts, enclosures, and industrial components.

Runsom is suitable for buyers prioritizing mold accuracy and responsive engineering support.

5. HLH Prototypes (HLH Rapid)

Founded: 2008
Website: https://www.hlhprototypes.com/

HLH Prototypes offers plastic injection mold making, rapid tooling, and low-volume injection molding. Its services cover a wide range of materials and mold structures, including multi-cavity and insert molds.

HLH is often chosen for projects requiring flexibility across multiple manufacturing methods.

6. RapidDirect

Founded: 2009
Website: https://www.rapiddirect.com/

RapidDirect provides injection mold manufacturing as part of its on-demand manufacturing platform. The company supports mold design, mold fabrication, and injection molding with fast quotation and clear DFM feedback.

RapidDirect is suitable for product teams prioritizing speed and streamlined sourcing.

7. 3ERP (3E Rapid Prototyping)

Founded: 2010
Website: https://www.3erp.com/

3ERP delivers plastic injection mould manufacturing and injection molding services for prototypes and low-volume production. The company is recognized for cost-effective tooling and broad material selection.

3ERP is commonly used by startups and SMEs validating new product designs.

8. First Mold

Founded: 2011
Website: https://firstmold.com/

First Mold focuses on injection mold manufacturing, mold testing, and mass production molding. The company supports automotive, consumer, and industrial applications, offering integrated tooling and production services.

Its strength lies in transitioning customers from tooling to stable volume manufacturing.

9. WayKen Rapid Manufacturing

Founded: 2013
Website: https://waykenrm.com/

WayKen offers plastic injection mold manufacturing and rapid tooling services with fast turnaround. The company supports prototype molds, low-volume injection molding, and engineering validation.

WayKen is often selected by product developers needing quick tooling solutions.

10. CreateProto

Founded: 2016
Website: https://createproto.com/

CreateProto provides injection mold manufacturing and plastic molding services for prototyping and short production runs. The company focuses on serving international customers seeking flexible tooling options.

CreateProto is suitable for early-stage product development and pilot production.

How To Choose The Right Plastic Injection Mould Manufacturer In China

Selecting the right mold supplier is critical to product success. Buyers should evaluate:

  • Mold design and DFM capability

  • Tool steel selection and heat treatment

  • CNC, EDM, and finishing equipment

  • Mold life expectancy and maintenance support

  • Experience with export and international standards

Plastic Injection Mould Manufacturing For Global Buyers

For US and EU companies, Chinese mold manufacturers can offer excellent value when communication, documentation, and quality systems are in place. Leading suppliers like SunOn typically support ISO-certified processes, detailed mold reports, and long-term tooling support, helping reduce production risks.

Final Thoughts

China remains a leading destination for plastic injection mould manufacturing, offering a balance of engineering capability, production scalability, and cost control. From long-established manufacturers such as SunOn Industrial Group Limited to flexible rapid tooling specialists, global buyers have access to a wide range of reliable mold suppliers.

Choosing the right plastic injection mould manufacturer can significantly improve product quality, reduce time to market, and support long-term manufacturing success.