About Us

Factory

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 mould components. Our products are widely used in plastic injection moulds 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 mould 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 centres, high-precision lathes, grinding machines, and specialised tooling equipment. Combined with experienced technicians and standardised 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 utilises 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 mould 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 mould 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 – Optimised production and fast response

Technology – Investment in advanced equipment and systems

Environmental Responsibility – Sustainable manufacturing practices

Service – Customer-focused support

Looking Ahead

As mould 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 mould manufacturing worldwide.

Whether you need standard components, customised solutions, or long-term supply support, Gumao Precision is your reliable partner in mould component manufacturing.