About Us
Precision Mould Components. Built for Reliability.
Dongguan Gumao Precision Mould Co., Ltd. was founded in 1998 and is a professional manufacturer specialising in standard mould components and precision mould accessories for the plastic injection moulding industry.
With more than two decades of manufacturing experience, Gumao Precision has built a strong reputation for high accuracy, stable quality, and dependable delivery, serving customers across China and the international market
Who We Are
Gumao Precision focuses exclusively on the design, manufacturing, and supply of standard mold components. Our products are widely used in plastic injection molds for industries including automotive, electronics, home appliances, medical devices, and industrial products.
From ejector pins and guide components to slide systems, locking mechanisms, and cooling components, every product we manufacture is designed to meet the strict demands of modern mold making.
We operate with a clear philosophy:
precision is not an option — it is the standard.
Manufacturing Excellence
Our production facility is equipped with advanced CNC machining centers, high-precision lathes, grinding machines, and specialized tooling equipment. Combined with experienced technicians and standardized production processes, this allows us to manufacture components with tight tolerances, excellent consistency, and long service life.
To meet global requirements, our products are manufactured in accordance with international standards, including JIS, DIN, AISI, and customer-specific specifications. Custom manufacturing based on drawings and technical requirements is also available.
Quality Control & Testing
Quality control is integrated into every stage of our production process.
Gumao Precision utilizes professional inspection equipment such as:
- Coordinate Measuring Machines (CMM)
- Optical measuring systems
- Hardness and material testing equipment
This ensures each component meets dimensional, material, and performance requirements before delivery. Our commitment to quality is further supported by patented technologies and continuous process improvement.
Engineering Support & CAD Integration
To support mold designers and engineers, Gumao Precision provides a 3D CAD component library, including UG / Siemens NX plug-ins, allowing customers to quickly integrate Gumao standard components into their mold designs.
This digital support improves design efficiency, reduces errors, and shortens development cycles — helping customers bring products to market faster.
Our Commitment to Customers
We believe that great products must be supported by great service.
Our customers rely on us for:
- High-precision, reliable mold components
- Fast response and on-time delivery
- Professional technical support
- Clear communication and long-term cooperation
Many of our standard components are kept in stock, enabling same-day shipment for urgent requirements, while custom items are managed with transparent lead times.
Values That Drive Us
Gumao Precision operates according to a set of core values that guide everything we do:
Integrity – Honest partnerships and long-term trust
Innovation – Continuous improvement in products and processes
Quality – Precision manufacturing without compromise
Efficiency – Optimized production and fast response
Technology – Investment in advanced equipment and systems
Environmental Responsibility – Sustainable manufacturing practices
Service – Customer-focused support
Looking Ahead
WeAs mold technology continues to evolve, Gumao Precision remains committed to innovation, automation, and digital integration, ensuring our products continue to meet the demands of high-precision mold manufacturing worldwide.
Whether you need standard components, customized solutions, or long-term supply support, Gumao Precision is your reliable partner in mold component manufacturing.
