About Us
One-Stop OEM & ODM Solutions, From Design to Assembly
Founded in 1992 in Zhuhai, Guangdong, Jingmu is a National High-Tech Enterprise specializing in precision molds for medium- and low-voltage electrical switches. We deliver true one-stop service — from product design and mold R&D to injection molding and finished assembly — helping customers turn a drawing into a production-ready part.
Focus on customers, pursue innovation, deliver quality, and achieve fair win-win results.
Core Values
Focus on customers, pursue innovation, deliver quality, and achieve fair win-win results.
Vision
Become a manufacturing enterprise with advanced technology and management capabilities.
Mission
Manufacture precision molds for customers; create a first-class image of Chinese manufacturing for the world.
1992
Established in
Dongjiang Group was founded in Hong Kong in 1983 and specializes in mold manufacturing.
2013
Listed in Hong Kong
Dongjiang was listed on the Main Board of the Hong Kong Stock Exchange in 2013. Stock Code: 02283.
4
Production Bases
The Group operates four production bases in Shenzhen, Huizhou, Suzhou, and Vietnam, covering approximately 180,000 m².
4000+
Production Capacity
The company has more than 4,000 employees, including over 300 design professionals.
Core Values
Focus on customers, pursue innovation, deliver quality, and achieve fair win-win results.
Vision
Become a manufacturing enterprise with advanced technology and management capabilities.
Mission
Manufacture precision molds for customers; create a first-class image of Chinese manufacturing for the world.
- Why Zhuhai Jingmould
Why Choose Zhuhai Jingmould
34 Years of Excellence
With over 30 years of low-voltage electrical industry experience, we bring deep technical expertise and proven knowledge.
Complete Professional Team
Zhuhai Jingmu combines an experienced engineering team with strong technical expertise and dedicated quality control capabilities.
Complete Quality Control System
The company is equipped with advanced equipment, injection molding facilities, and testing systems for quality control.
Customer-Oriented Service
Zhuhai Jingmu prioritizes customer success through professional communication, transparent management and continuous technical support.
34 Years of Excellence
With over 30 years of low-voltage electrical industry experience, we bring deep technical expertise and proven knowledge.
Complete Professional Team
Zhuhai Jingmu combines an experienced engineering team with strong technical expertise and dedicated quality control capabilities.
Complete Quality Control System
The company is equipped with advanced equipment, injection molding facilities, and testing systems for quality control.
Customer-Oriented Service
Zhuhai Jingmu prioritizes customer success through professional communication, transparent management and continuous technical support.
34 Years of Excellence
With over 30 years of low-voltage electrical industry experience, we bring deep technical expertise and proven knowledge.
Complete Professional Team
Zhuhai Jingmu combines an experienced engineering team with strong technical expertise and dedicated quality control capabilities.
Complete Quality Control System
The company is equipped with advanced equipment, injection molding facilities, and testing systems for quality control.
Customer-Oriented Service
Zhuhai Jingmu prioritizes customer success through professional communication, transparent management and continuous technical support.
34 Years of Excellence
With over 30 years of low-voltage electrical industry experience, we bring deep technical expertise and proven knowledge.
Complete Professional Team
Zhuhai Jingmu combines an experienced engineering team with strong technical expertise and dedicated quality control capabilities.
Complete Quality Control System
The company is equipped with advanced equipment, injection molding facilities, and testing systems for quality control.
Customer-Oriented Service
Zhuhai Jingmu prioritizes customer success through professional communication, transparent management and continuous technical support.
34 Years of Excellence
With over 30 years of low-voltage electrical industry experience, we bring deep technical expertise and proven knowledge.
Complete Professional Team
Zhuhai Jingmu combines an experienced engineering team with strong technical expertise and dedicated quality control capabilities.
Complete Quality Control System
The company is equipped with advanced equipment, injection molding facilities, and testing systems for quality control.
Customer-Oriented Service
Zhuhai Jingmu prioritizes customer success through professional communication, transparent management and continuous technical support.
Why Choose Zhuhai Jingmould
34 Years of Excellence
With over 30 years of low-voltage electrical industry experience, we bring deep technical expertise and proven knowledge.
Complete Professional Team
Zhuhai Jingmu combines an experienced engineering team with strong technical expertise and dedicated quality control capabilities.
Complete Quality Control System
The company is equipped with advanced equipment, injection molding facilities, and testing systems for quality control.
Customer-Oriented Service
Zhuhai Jingmu prioritizes customer success through professional communication, transparent management and continuous technical support.
- MANUFACTURING CAPABILITY
Hardware Strength | First-Class Production Equipment
To hold ±0.02mm precision and deliver molds 35 days after to, we run a full set of high-precision production and inspection equipment covering the entire mold development and injection molding workflow.
Mold Workshop
Makino MAKINO
Injection Workshop
HAITIAN Servo Injection
Thermosetting Molding Workshop
BMC Thermosetting Material Processing
Advantage: Excellent electrical insulation, high temperature resistance, and flame-retardant performance with strong dimensional stability, meeting the strict safety requirements of electrical components.
Assembly Workshop
Custom Automation Fixtures
Quality Inspection
CMM Coordinate Measuring
Advantage: Fast detection of fine dimensional deviation, ensuring consistent finished parts.
Makino Machining Centers
FANUC CNC
Mitsubishi EDM
Slow Wire-Cut EDM
60T–650T Injection Machines
Company Development Timeline
1992 — 2027 · A Legacy of Innovation & Growth
Company Establishment
Ronghai Precision Mold Co., Ltd. was officially established.
Molding Workshop Established
Established a molding and compression-processing workshop.
International Expansion
Launched the mold export business and began serving international customers.
ERP Management
Introduced ERP software for enterprise management.
Manufacturing Facility Expansion
Built a company-owned factory and established an automated production workshop.
National High-Tech Enterprise
Recognized as a National High-Tech Enterprise.
Germany Office Established
Established the Germany office to strengthen support for European customers.
IATF 16949 Certification
Achieved IATF 16949 automotive quality management system certification.
Management Innovation
Introduced the Amoeba management model to improve operational management.
Intelligent Manufacturing
Introduced an intelligent internal-mixing process.
Lean Manufacturing Upgrade
Introduced lean manufacturing and a dual-system approach.
Digital Production Systems
Developed the U8Print project process and introduced an MES production planning system.
Smart Manufacturing Upgrade
Continued upgrading intelligent manufacturing capabilities.
A New Stage of Growth
Entered a new stage of growth and development.
Mexico Plant Development
Began developing a new plant in Mexico to expand our global manufacturing footprint and better serve customers in the Americas.
Advanced Automation & Global Manufacturing
Looking ahead, Jingmould aims to advance intelligent automation, strengthen precision manufacturing capabilities, and expand its global production network to deliver greater efficiency, quality, and innovation for customers worldwide.
Automatically exploring our history · Select a year to view its milestone
- Production Standards
Standards That Govern Every Production Run
Beyond certification, these are the concrete benchmarks our Zhuhai facility holds itself to on the shop floor.
PRC National Standard
GB-compliant materials & process control
±0.02mm
Machining tolerance, held on every cavity
60T–650T
Injection tonnage across 50 machines
35-Day T0
Standard delivery cycle for new molds
- Certifications
System Certifications
ISO9001
Quality Management System
ISO14001
Environmental Management System
IATF16949
Automotive Quality Management System
BSCI
Social Responsibility Audit
EcoVadis
Silver Sustainability Rating
- Certifications
System Certifications
ISO9001
Quality Management System
ISO14001
Environmental Management System
IATF16949
Automotive Quality Management System
BSCI
Social Responsibility Audit
EcoVadis
Silver Sustainability Rating
- Certifications
Government Recognition
Guangdong Specialized & Innovative SME
Zhuhai Enterprise Technology Center
Guangdong Clean Production Enterprise
Safety Production Standardization Enterprise
- Certifications
Government Recognition
Guangdong Specialized & Innovative SME
Zhuhai Enterprise Technology Center
Guangdong Clean Production Enterprise
Safety Production Standardization Enterprise
- Certifications
Industry Associations
Cooperative Unit of Nanjing Forestry University
Member Unit of Guangdong Mold Industry Association
Member Unit of China Mold Industry Association
66 Utility Model Patents Related to Molds
- Certifications
Industry Associations
Cooperative Unit of Nanjing Forestry University
Member Unit of Guangdong Mold Industry Association
Member Unit of China Mold Industry Association
66 Utility Model Patents Related to Molds
- NEWS & INSIGHTS
Project Updates & Injection Molding Know-How
Notes from our engineering team on recent projects, tooling techniques and industry practice for electrical switch components.
Expanding Near-Shore Capacity at Our Mexico Facility
To better support global customers, our Mexico facility has expanded its injection molding capabilities with additional production lines.…
Two-Color (2K) Injection Molding for Switch Components
Two-color injection molding technology enables the production of advanced electrical switch components with improved functionality and appearance. By…
Precision Mold Delivery: 35-Day T0 on a New MCCB Housing
Our engineering team transformed a customer concept into a production-ready MCCB housing through a streamlined DFM, mold design,…
+86 18926919975
18926919975
Skype
JingMu02@outlook.com
info@zhjingmu.com
- Contact Us