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.

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

Whatsapp

+86 189 2691 9975

WeChat

18926919975

Skype

JingMu02@
outlook.com

Email

info@zhjingm
u.com

About Jingmu

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

Jingmu at a glance
1992Year Founded
3Global Sites
3System Certifications
50Injection Machines

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 Advantage: Superior surface…
up to ±0.02mm. Finish that extends mold service life and improves long-term durability.

Injection Workshop

HAITIAN Servo Injection

60T–650T servo injection equipment sized for high-volume mass production of electrical switch components, with strong, repeatable molding…
stability. Advantage: Higher throughput and lower per-part cost, with fewer manual finishing steps.

Thermosetting Molding Workshop

BMC Thermosetting Material Processing

We specialize in BMC thermosetting material molding, focusing on the production of insulation…
components for medium and low voltage electrical appliances. Our process supports high-performance products such as switches, circuit breakers, and high-temperature resistant insulating bases.

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

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

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

Client-provided product design for manufacturability analysis

Factory Strength

Mold R&D and
Design

A professional mold R&D team focuses on early-stage product structure analysis for medium and low voltage electrical…
switches. The team completes 3D modeling and DFM (Design for Manufacturing) feasibility evaluations to identify potential molding defects in advance. By developing mature and stable mold structure solutions, the company minimizes design risks at the source and ensures smooth mold manufacturing and reliable mass production.
Mold tooling installed for an injection molding trial

Innovation Driven

Injection Molding Process Development

The company focuses on the development and optimization of injection molding processes for plastic components used…
in switches and connectors. By fine-tuning key parameters such as injection speed, pressure holding, and cooling processes, potential molding issues including shrinkage, warping, and flash defects are effectively controlled. Customized injection molding solutions are developed for different materials to ensure stable product forming quality and consistent production performance.
Client-provided assembly equipment image

Advanced Technology

Automation Support Development

The company provides customized development of simple automation tooling and assembly fixtures to support…
production needs. Focusing on the downstream assembly requirements of electrical components, the team optimizes the compatibility between molds and tooling, reduces manual intervention, improves customers’ assembly efficiency, and minimizes product defects caused by human operations.
Jingmu technician carrying out coordinate measurement

Quality Assurance

Quality Verification and Development

The company conducts comprehensive inspection and verification of trial production samples, including…
dimensional tolerance checks, assembly compatibility testing, and appearance performance evaluation. Through continuous optimization of molds and manufacturing processes, potential issues are identified and resolved before mold delivery, ensuring that plastic components for switches meet industry quality standards and achieve stable production performance.
Client-provided mold deflection analysis illustration

Efficient Delivery

New Process Technology Development

The company introduces multiple advanced processes and expands the development of two-color injection…
molding, UV printing, hot stamping molds, and related manufacturing technologies. It enables multi-material composite injection molding while supporting the development of UV printing and hot stamping surface decoration processes. By balancing structural functionality with aesthetic appearance, the company provides diverse product realization solutions, enhances its overall process capabilities, and meets the varied design requirements of electrical component products.

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

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.

DFM Analysis

Before production commences, we perform a comprehensive DFM analysis to identify potential manufacturing issues…
optimize the design, and ensure smooth production. Our engineers carefully review every detail to improve manufacturability, reduce risks, and maintain high-quality standards.

Mold Precision Inspection & Process Control

Initial checks are conducted to ensure accurate and dimensional mold production before manufacturing…
We monitor the entire process and carefully inspect critical dimensions, mold structure, components, and manufacturing requirements to ensure the mold meets the required specifications and quality standards.

Product Trial & Inspection

Before mass production, we conduct trial production and comprehensive inspections to verify mold performance, product…
dimensions, appearance, and functionality. This process helps identify and resolve potential issues before full-scale manufacturing begins.

Finished Product Quality Control

Finished products are carefully inspected and tested according to strict quality requirements. We…
perform detailed dimensional inspections, appearance checks, functional testing, and other quality assessments to ensure every product meets the required manufacturing standards.

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 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.

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.

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.

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
28Aug

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
28Aug

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
28Aug

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,…

System Certifications

ISO9001

Quality Management System

ISO14001

Environmental Management System

IATF16949

Automotive Quality Management System

BSCI

Social Responsibility Audit

EcoVadis

Silver Sustainability Rating

Government Recognition

Guangdong Specialized & Innovative SME

Zhuhai Enterprise Technology Center

Guangdong Clean Production Enterprise

Safety Production Standardization Enterprise

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

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

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.

OUR JOURNEY

Company Development Timeline

1992 — 2027 · A Legacy of Innovation & Growth

1992
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2015
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2019
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2020
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1992
COMPANY MILESTONE

Company Establishment

Ronghai Precision Mold Co., Ltd. was officially established.

1998
COMPANY MILESTONE

Molding Workshop Established

Established a molding and compression-processing workshop.

2000
COMPANY MILESTONE

International Expansion

Launched the mold export business and began serving international customers.

2011
COMPANY MILESTONE

ERP Management

Introduced ERP software for enterprise management.

2015
COMPANY MILESTONE

Manufacturing Facility Expansion

Built a company-owned factory and established an automated production workshop.

2017
COMPANY MILESTONE

National High-Tech Enterprise

Recognized as a National High-Tech Enterprise.

2018
COMPANY MILESTONE

Germany Office Established

Established the Germany office to strengthen support for European customers.

2019
COMPANY MILESTONE

IATF 16949 Certification

Achieved IATF 16949 automotive quality management system certification.

2020
COMPANY MILESTONE

Management Innovation

Introduced the Amoeba management model to improve operational management.

2021
COMPANY MILESTONE

Intelligent Manufacturing

Introduced an intelligent internal-mixing process.

2022
COMPANY MILESTONE

Lean Manufacturing Upgrade

Introduced lean manufacturing and a dual-system approach.

Digital Production Systems
2023
COMPANY MILESTONE

Digital Production Systems

Developed the U8Print project process and introduced an MES production planning system.

2024
COMPANY MILESTONE

Smart Manufacturing Upgrade

Continued upgrading intelligent manufacturing capabilities.

2025
COMPANY MILESTONE

A New Stage of Growth

Entered a new stage of growth and development.

2026
COMPANY MILESTONE

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
2027
COMPANY MILESTONE

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

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.

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.

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.

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.

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.

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.

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.

WhatsApp

+86 189 2691 9975

Email

info@zhjingmu.com

WeChat

18926919975

Skype

JingMu02@outlook.com

By submitting, you agree to be contacted about your project. We reply within 1 business day.