- EST. 1992 · ZHUHAI, CHINA
34 Years of Precision Injection Molds for Electrical Switches
OEM & ODM one-stop solutions — Zhuhai mold R&D, mold modification & injection in Mexico, and local business support in Germany.
- EST. 1992 · ZHUHAI, CHINA
34 Years of Precision Injection Molds for Electrical Switches
OEM & ODM one-stop solutions — Zhuhai mold R&D, mold modification & injection in Mexico, and local business support in Germany.
TRUSTED MANUFACTURING STANDARDS
IATF16949
ISO 9001
ISO 14001
National High-Tech Enterprise
Contact Us
+86 189 2691 9975
18926919975
Skype
JingMu02@
outlook.com
info@zhjingm
u.com
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.
Mold R&D, manufacturing & finished assembly under one roof
IATF16949 · ISO9001 · ISO14001 full-process quality control
Three-site global network — Zhuhai, Mexico, Germany
Quick Inquiry
HEADQUARTERS
Zhuhai R&D & Manufacturing Center
Equipped with Makino, FANUC CNC, Mitsubishi EDM and wire-cut machines, plus 50 injection molding machines. Achieves ±0.02mm precision with mold delivery 35 days after T0.
- Zhuhai, Guangdong, China
PRODUCTION BASE
Mexico Near-Shore Facility
Set up to serve the North American market, shorten the supply chain and lower logistics and tariff costs. Supports local mold trial production and mass injection molding for new projects.
- Mexico
SERVICE OFFICE
Germany — European Service Hub
The front-line service window for the EU market. Local staff manage DFM evaluation, sample tracking, mold development coordination, order follow-up and rapid after-sales support.
- Germany
- 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
- Precision Excellence
One-Stop Precision Injection Mold Solutions
34 Years of Deep Expertise in Low-Voltage Electrical Appliance Plastic Molds · R&D Strength · Technical Capability · Quality Control · On-Time Delivery
Factory Strength
Mold R&D and
Design
Innovation Driven
Injection Molding Process Development
Advanced Technology
Automation Support Development
Quality Assurance
Quality Verification and Development
Efficient Delivery
New Process Technology Development
- Precision Excellence
One-Stop Precision Injection Mold Solutions
34 Years of Deep Expertise in Low-Voltage Electrical Appliance Plastic Molds · R&D Strength · Technical Capability · Quality Control · On-Time Delivery
34 Years of Experience in Precision Low-Voltage Appliance Plastic Mold Manufacturing
With 34 years of focus on precision molds for circuit breakers, connectors, and other core components of low-voltage electrical appliances, we integrate design and manufacturing capabilities with strict control over size, precision, and dimensional stability. We strictly meet the customized requirements of enterprises and provide reliable OEM/ODM mold customization services.
Independent R&D Capability to Support Customer New Product Development
We have an independent R&D team with full-process capabilities covering structural design, material selection, and process development.
From solution design and 3D modeling to DFM evaluation, we provide feasible solutions for new products, helping customers accelerate product iteration and enhance market competitiveness.
Core Mold Technology to Ensure Product Performance
We master core technologies of low-voltage electrical appliance molds, including high-precision embedded parts, complex structure design, and long-life mold manufacturing. Molds feature high durability, wear resistance, stability, and are suitable for mass production, ensuring product consistency and reliability.
Standardized Quality Control in Line with Industry Certification Requirements
We strictly follow ISO9001, ISO14001, and IATF16949 certification standards to build a full-process quality control system from raw material inspection and process control to finished product testing. Each mold fully meets industry standards and customer-specific customization requirements.
Standardized Project Management for On-Time Delivery
With a professional project management team and a standardized project process, we ensure accurate planning, transparent progress tracking, and efficient coordination. Through resource optimization and rapid response, we ensure on-time delivery of molds, supporting customers’ product launch and shortening time to market.
- Quality Assurance System
Precision Inspection Methods & Full-Process Closed-Loop Quality Control
Zhuhai Jingmu has established a complete quality management system covering precision inspection equipment and standardized testing procedures. From design review, CNC machining, mold assembly, trial molding, sample inspection, to mass production, every stage is strictly controlled to ensure stable product quality and reduce production risks.
- All molds are custom-developed to order. Parameters shown across this site are reference values only — final specifications are confirmed after project evaluation.
DFM Analysis
Mold Precision Inspection & Process Control
Product Trial & Inspection
Finished Product Quality Control
Final Sampling Inspection
First-piece inspection, in-process inspection and final sampling inspection after mold delivery. Archive all drawings, machining records, inspection reports and trial reports.
Mass Production Quality Traceability
First-piece inspection, process monitoring and finished product sampling inspection during mass production. Complete traceability and continuous improvement solutions provided.
Don’t See Your Part?
Send us your drawing — we develop new molds through full OEM/ODM collaboration.
OEM — Mold Making From Your Drawings
ODM — New Product Joint Development
- Why Zhuhai Jingmould
Why Choose Zhuhai Jingmould
We have production bases in China and Mexico, along with a local after-sales service office in Germany, providing reliable mold and injection solutions. With strong R&D capabilities, strict quality control, and one-stop OEM & ODM services, we help overseas customers reduce project risks, shorten lead times, and achieve stable mass production.
Global Production Service
China production factory. Mexico mold repair & injection base. Germany after-sales service office. Localized service and faster global delivery support
R&D and Technical Strength
Professional mold design engineering team. Deep experience in low-voltage electrical components and two-color injection projects. Complete DFM evaluation for each project. Expertise in complex structures, high precision, solving shrinkage, deformation, assembly, and other molding challenges.
Comprehensive Quality Control
Traceable quality process covering: Drawing review, Machining inspection, Trial validation, Sample testing, Mass production monitoring. Certified with ISO9001, ISO14001, and IATF16949. Standardized inspection procedures ensure long-term stable mass production
OEM/ODM One-Stop Solution
Support OEM mold making based on drawings/samples or ODM new product joint development. Covering DFM analysis, Mold design, Mold manufacturing, Trial production, Sample delivery, Mass production, After-sales service. One-stop service reduces coordination costs and project management costs.
Global Production Service
China production factory. Mexico mold repair & injection base. Germany after-sales service office. Localized service and faster global delivery support
R&D and Technical Strength
Professional mold design engineering team. Deep experience in low-voltage electrical components and two-color injection projects. Complete DFM evaluation for each project. Expertise in complex structures, high precision, solving shrinkage, deformation, assembly, and other molding challenges.
Comprehensive Quality Control
Traceable quality process covering: Drawing review, Machining inspection, Trial validation, Sample testing, Mass production monitoring. Certified with ISO9001, ISO14001, and IATF16949. Standardized inspection procedures ensure long-term stable mass production
OEM/ODM One-Stop Solution
Support OEM mold making based on drawings/samples or ODM new product joint development. Covering DFM analysis, Mold design, Mold manufacturing, Trial production, Sample delivery, Mass production, After-sales service. One-stop service reduces coordination costs and project management costs.
34 Years of Industry Experience, Serving Global Customers
With over 30 years of experience in the low-voltage electrical appliance industry, we have accumulated deep technical expertise and industry knowledge. We have long-term cooperation with more than 500 leading enterprises worldwide, providing professional mold design, process optimization, and technical support services. With a deep understanding of global customer requirements and strict quality standards, we offer reliable mold manufacturing and complete production solutions from product design to mass production.
Complete Professional Team Configuration
Zhuhai Jingmu has a complete professional team consisting of experienced engineers and technical specialists, including a 26-member engineering technology team, 10 mold structure design engineers, 6 project engineers, 2 injection molding engineers, and a 15-member quality control team. From early-stage DFM analysis, mold feasibility evaluation, and mold structure design to manufacturing, trial production, and project follow-up, the company provides complete internal coordination to ensure efficient communication and rapid resolution of technical challenges.
Complete Hardware and Quality Control System, Ensuring Quality and Delivery
The company is equipped with advanced mold manufacturing equipment, injection molding facilities, and professional testing instruments, establishing a complete production management and quality inspection system. Every stage, including machining, assembly, and trial production, undergoes strict inspection to ensure stable product quality and guarantee timely project delivery.
Customer-Oriented Service Philosophy
Zhuhai Jingmu focuses on customer project success by providing professional technical communication, transparent project management, and continuous after-sales technical support. By integrating domestic and international technical resources, including cooperation with European and German local service teams, the company provides timely communication, fast response, and proactive project management to help customers overcome various technical challenges.
Stable Material Supply and Traceability Management Capability
The company maintains long-term partnerships with reliable suppliers of raw materials, standard parts, steel, plastic materials, and BMC thermosetting materials. All materials can be traced and verified through a stable supply chain system, reducing project delays caused by material shortages and meeting global customer compliance and quality requirements.
Strong Project Risk Prevention and Management Capability
Zhuhai Jingmu conducts detailed DFM reviews, mold feasibility analysis, structural risk assessments, forming risk evaluations, and assembly risk analysis during the early stages of every project. By identifying potential problems before production begins, the company reduces mold modification costs, improves project efficiency, and helps customers save time and budget.
Mold Life Design for Large-Scale Production
For high-volume production of low-voltage electrical components, Zhuhai Jingmu provides durable mold design solutions with optimized structures, high-strength components, improved sliders, wear-resistant parts, and considerations for thermal expansion and BMC molding requirements. These solutions ensure long-term stable operation, reduce maintenance frequency, and meet customers’ large-scale production demands.
Complete Certification System Meeting International Requirements
Zhuhai Jingmu has established a complete certification and quality management system, including IATF16949, ISO9001, and ISO14001 certifications. The company follows standardized production processes with strict control over drawing management, manufacturing records, inspection reports, and traceability documentation, ensuring compliance with international customer auditing, inspection, and quality management requirements.
- Quality Assurance System
Custom Non-Standard Molds for Electrical Switch Components
Zhuhai Jingmould builds a complete closed-loop quality control system, relying on a full set of precision inspection equipment and standardized testing methods.
DFM Analysis
Document & Drawing Review
Complete DFM manufacturability analysis for 2D drawings, 3D models, tolerance requirements, assembly fit, and material characteristics. Identify potential structural risks and molding issues in advance to avoid quality problems.
Mold Manufacturing Inspection
Mold Machining Inspection
Inspection at each machining stage using CMM, 2D projector, height gauge and other precision equipment. Key dimensions, clearance, sliders, cooling channels, etc. are checked. Ensure each mold part meets precision standards.
Trial & Sample Testing
Mold Trial & Sample Inspection
Full sample inspection after trial: appearance, critical dimensions, assembly fit, strength and durability. Record injection parameters, shrinkage rate and deformation data. Samples approved before delivery.
Final Sampling Inspection
Quality Verification
First-piece inspection, in-process inspection and final sampling inspection after mold delivery. Archive all drawings, machining records, inspection reports and trial reports.
Mass Production Quality Traceability
Continuous Quality Control
First-piece inspection, process monitoring and finished product sampling inspection during mass production. Complete traceability and continuous improvement solutions provided.
- Start Your Project
Ready to Develop Your Next Precision Mold Solution?
From initial design analysis to mold manufacturing and mass production, Zhuhai Jingmould provides complete OEM & ODM solutions with reliable quality control and technical support. Let our experienced team help you turn your ideas into high-quality products.
- 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,…
- 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
Makino high-speed CNC centers machine mold cores and cavities for electrical switch components, holding accuracy up to ±0.02mm.
Advantage: Superior surface finish that extends mold service life and improves long-term durability.
Injection Workshop
HAITIAN Servo Injection
60T–650T servo injection equipment sized for volume production of electrical switch components, with strong, repeatable molding stability.
Advantage: Higher throughput and lower per-part cost, with fewer manual finishing steps.
Assembly Workshop
Custom Automation Fixtures
In-house feeders and assembly fixtures handle downstream assembly of finished plastic components after molding.
Advantage: Standardized automated assembly reduces manual errors and enables mold + injection + assembly.
Quality Inspection
CMM Coordinate Measuring
Coordinate measuring machines check mold and finished-part dimensions with high precision, keeping tolerances tightly controlled.
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
- WHY CHOOSE Jingmu
Your One-Stop OEM & ODM Injection Mold Manufacturing Partner
Factory Strength
34 Years of Industry Experience
34 years focused on medium- and low-voltage electrical switch molds — proficient in the strict technical requirements of circuit breakers and residual-current devices.
Mold Flow Analysis
Professional R&D & Design Capability
Full mold-structure optimization — proactively avoiding shrinkage, warping and assembly-interference risks, supporting both ODM new-product and OEM custom projects.
Testing Equipment
Standardized Quality Control
Operated under ISO9001, ISO14001 and IATF16949. Incoming inspection, in-process sampling and finished-part dimensional checks safeguard stable yield.
Mexico Injection Workshop
Coordinated Manufacturing at Home & Abroad
Zhuhai HQ handles mold development and injection molding; our Mexico base adds local repair and mass production for North American customers.
Mold Delivery
Full-Cycle Project Service
One engineer stays with your project throughout, with trial molding (T0) landing within 35 days of proposal.
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
- FAQ
Common Questions About Custom Mold Projects
Do you offer standard, off-the-shelf molds?
No — we specialize in fully customized mold solutions. Every mold is designed and manufactured according to your 2D/3D drawings, product samples, and specific production requirements. We do not provide standard tooling or ready-made inventory molds.
What do you need from us to start a DFM evaluation?
To begin a Design for Manufacturing (DFM) evaluation, we need your product drawings, 3D CAD files, product samples (if available), material requirements, and expected production volume. Our engineering team will review the design and provide professional suggestions to improve mold performance, quality, and production efficiency.
What's your typical lead time for a new mold?
Our standard delivery cycle for new molds is around 35 days for T0 trial production, depending on mold complexity, product structure, and project requirements. We provide complete progress tracking from design and machining to testing and final delivery.
Can you support low-volume prototypes as well as mass production?
Yes. We support both prototype development and high-volume production needs. Our flexible manufacturing capabilities allow us to provide solutions for initial product validation, small-batch production, and large-scale manufacturing projects.
Do you support customers in North America and Europe?
Yes. We serve global customers across North America, Europe, and other international markets. With professional engineering support, reliable quality control, and export experience, we help overseas customers develop and manufacture precision molds efficiently.
What quality certifications do you hold?
We follow strict quality management standards throughout the mold manufacturing process. Our facility uses GB-compliant materials, advanced CNC machining equipment, and professional inspection procedures to ensure precision, consistency, and reliable mold performance.
- START YOUR PROJECT
Have Drawings or a Sample? Get a Free DFM Evaluation
Upload your STEP / IGS / PDF drawing or sample photos and our engineering team will respond with a DFM assessment and project quote.
+86 189 2691 9975
info@zhjingmu.com
18926919975
Skype
JingMu02@outlook.com
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