Top 9 Injection Mold Manufacturers In China

Sourcing injection molds from China offers a significant competitive advantage in terms of cost-efficiency and scaling capabilities. However, with thousands of manufacturers claiming to be the best, distinguishing between a trading company and a high-precision factory can be challenging for international buyers.

This guide provides a curated list of top-tier injection mold manufacturers in China. These companies have been selected based on their engineering capabilities, quality certifications (such as ISO and IATF), and track record in serving global markets. Whether you need complex automotive components, medical devices, or consumer electronics, this list will help you navigate the Chinese market with confidence.

Quick Comparison Table

Below is a snapshot of the leading manufacturers.

What to Consider When Looking for Manufacturers?

When selecting a mold partner in China, price should not be the only determining factor. Consider the following:

• Engineering Capability: Does the company offer DFM (Design for Manufacturability) analysis? A good supplier will optimize your design to reduce cycle times and material waste before steel is cut.
• Production Capacity: Ensure the facility has the right tonnage of injection machines (e.g., 50T to 650T+) to handle your specific product size.
• Specialization: Some factories excel in large automotive bumpers, while others focus on micron-level precision for electronics. Choose a manufacturer whose niche matches your product.
• Communication: Look for suppliers with English-speaking project managers who can bridge the technical gap and provide regular progress reports.

How to Verify a Reliable Supplier?

To mitigate risk when outsourcing manufacturing:

1. Check Certifications: Verify ISO 9001 for general quality management and IATF 16949 if you are in the automotive sector.
2. Request a Factory Audit: If you cannot visit in person, hire a third-party agency to audit the factory’s equipment, workforce, and working conditions.
3. Review Traceability: Reliable manufacturers provide material certificates (COA) and dimensional inspection reports (CPK/CMM) for every batch.
4. Start with a Trial: specific tooling trials (T1 samples) are the ultimate test of a manufacturer’s promise versus their actual delivery.

Leading Chinese Mold Factory Reviews

the detailed breakdown of the top injection mold manufacturers in China.

1. TK Group (Holdings) Limited

TK Group is one of the largest and most recognized mold fabricators in China. Listed on the Hong Kong Stock Exchange, they provide comprehensive solutions ranging from mold design to final assembly. They are particularly strong in high-precision molds for the mobile phone, medical, and smart home industries.

• Country: China
• Address: Shenzhen, Guangdong
• Website: https://www.tkmold.com
• Main product: Precision injection molds, smart device components, medical products

2. Shenzhen Silver Basis Technology Co., Ltd.

Silver Basis is a global manufacturing service provider focusing on large-scale precision molds. They have a strong reputation in the automotive sector, supplying structural parts and interior components to major international car brands. Their capabilities extend to semi-solid die casting and intelligent manufacturing.

• Country: China
• Address: Shenzhen, Guangdong
• Website: https://www.silverbasis.com
• Main product: Automotive molds, communication equipment parts, consumer electronics

3. GBM

GBM Mold Technology Co., Ltd. is a premier “One-Stop” solution provider specializing in high-precision mold design, manufacturing, and injection molding. Established in 2012, GBM is a National High-Tech Enterprise certified with ISO 9001, ISO 14001, and TS 16949 (Automotive). They are renowned for their agility, offering DFM reports within 24 hours and T1 samples in as fast as 15 days.

Their facility is equipped with top-tier CNC and EDM machines, along with a clean-room injection workshop. GBM excels in complex technical molding, including 2-Shot Molding (rotary platen accuracy ±0.01mm), Insert Molding (for high-voltage connectors), and Unscrewing Molds (servo-driven for medical consumables). They provide full lifecycle services from concept to mass production, ensuring strict quality control with CMM and CCD visual inspections.

• Country: China
• Address: Shenzhen, China
• Website: https://gbminjection.com/
• Main product: Injection mold, injection molding, 2 Shot Mold, Insert Molding, Unscrewing Mold, Connector Mold, Stack Mold, Hot Runner Mold

4. Zhejiang Kaihua Moulds Co., Ltd

Kaihua is a heavyweight in the mold industry, particularly known for large automotive molds and logistics crates. They utilize advanced Mucell technology and have a strong focus on lightweighting solutions for vehicles. Their facility is highly automated, ensuring consistent quality for large-scale industrial parts.

• Country: China
• Address: Taizhou, Zhejiang
• Website: https://www.kaihuamould.com
• Main product: Automotive dashboard molds, logistics crates, household appliances

5. Sino Mould

Based in the “Mold Town of China” (Huangyan), Sino Mould is famous for its expertise in packaging molds (such as bottle caps and preforms) and automotive parts. They offer a good balance of quality and cost-effectiveness, making them a popular choice for clients needing high-cavity molds with fast cycle times.

• Country: China
• Address: Taizhou, Zhejiang
• Website: https://www.sinomould.com
• Main product: Packaging molds, pipe fitting molds, automotive parts

6. Ace Mold Co., Ltd

Ace Mold is an export-oriented company that specializes in meeting Western standards (HASCO/DME). They serve the automotive, industrial, and consumer electronics sectors. They are well-regarded for their engineering support and ability to handle complex tooling projects for international clients.

• Country: China
• Address: Shenzhen, Guangdong
• Website: https://www.acemold.com
• Main product: Technical injection molds, automotive components, home appliances

7. EVA Precision Industrial Holdings Limited

EVA Precision is a vertically integrated manufacturer that produces molds and components for the office automation (OA) and automotive industries. As a key supplier for major printer and copier brands, they have exceptional capabilities in producing highly precise mechanical parts and assemblies.

• Country: China
• Address: Shenzhen, Guangdong
• Website: https://www.eva-group.com
• Main product: Office automation equipment molds, automotive body parts

8. Qingdao Haier Molds Co., Ltd

A subsidiary of the Haier Group, this company brings massive resources and experience in the home appliance sector. They are experts in manufacturing large, aesthetic molds for refrigerators, washing machines, and air conditioners, as well as automotive interior and exterior trim.

• Country: China
• Address: Qingdao, Shandong
• Website: https://www.haiermolds.com
• Main product: Home appliance molds, automotive interior parts, sheet metal dies

Conclusion

Choosing the right injection mold manufacturer in China depends heavily on your specific project requirements. For massive automotive structural parts, companies like Silver Basis or Kaihua are excellent choices. However, for projects requiring high-precision engineering, complex mechanisms (like unscrewing or 2-shot molds), and agile “one-stop” service, GBM stands out as a highly competitive partner.

Always ensure you validate your potential supplier through small batch trials and rigorous DFM reviews to guarantee a smooth transition from design to mass production.