What We Do at Gumao Precision

High-Precision Components You Can Rely On

Gumao Precision specializes in the manufacturing of standard mold components for plastic injection molds. Our product range includes ejector systems, guide components, slide and lifter parts, locking and positioning components, mold opening controllers, cooling components, and more.

All components are produced using advanced CNC machining and precision grinding to ensure tight tolerances, stable performance, and long service life. Products are manufactured in accordance with JIS, DIN, AISI, and other international standards.

Advanced CNC Machining & Grinding

With a full set of modern CNC machining centers, lathes, and grinding machines, we provide high-accuracy machining services for mold components and precision parts.

Our machining capabilities allow us to meet demanding requirements for:

  • Dimensional accuracy
  • Surface finish
  • Consistency across production batches

Every part is manufactured under strict process control and verified through professional inspection equipment.

Made to Your Drawings and Specifications

In addition to standard components, Gumao Precision offers custom manufacturing services based on customer drawings, samples, or technical requirements.

We support:

  • Non-standard sizes
  • Special materials
  • Custom hardness and surface treatments
  • Application-specific design requirements

Our engineering team works closely with customers to ensure components integrate seamlessly into existing mold designs.

Quality Built Into Every Step

Quality control is embedded throughout our production process. From raw material inspection to final dimensional checks, every component is carefully inspected before shipment.

Our testing capabilities include:

  • Coordinate Measuring Machines (CMM)
  • Optical measurement systems
  • Hardness and material testing

This ensures each product meets both technical specifications and long-term performance expectations.

Our mission

Delivering Precision Mold Components Without Compromise

At Gumao Precision, our mission is to deliver high-precision mold components that customers can trust, helping mold makers and manufacturers achieve consistent quality, efficiency, and long-term performance.

We are committed to:

  • Manufacturing reliable, high-accuracy standard mold components
  • Maintaining strict quality control at every stage of production
  • Supporting customers with fast response, dependable delivery, and professional technical support
  • Continuously improving through technology, innovation, and process optimization

By combining advanced manufacturing equipment, experienced craftsmanship, and digital design support, we aim to be a long-term partner for customers worldwide — not just a supplier.

Our mission is simple:
to make precision mold components that perform reliably, project after project, mold after mold.

More Details

Digital Tools for Faster Mold Development

To support mold designers and engineers, Gumao Precision provides a 3D CAD component library, including UG / Siemens NX plug-ins.

This allows customers to:

  • Quickly insert Gumao components into mold designs
  • Generate BOMs automatically
  • Reduce design errors
  • Shorten development cycles

Our technical team is also available to assist with product selection and application advice.

Reliable Supply When You Need It

Many of our standard mold components are kept in stock, allowing for fast shipment and short lead times.

For non-stock or customized products, we provide clear production schedules and reliable delivery planning — helping customers maintain efficient project timelines.

Long-Term Partnership, Not Just Supply

Our service doesn’t end at delivery. Gumao Precision provides ongoing technical support and after-sales service to ensure our components perform as expected in real production environments.

We are committed to building long-term partnerships based on trust, responsiveness, and consistent quality.

Simplifying Your Supply Chain

By offering a wide range of standard components, custom manufacturing, engineering support, and digital design tools, Gumao Precision acts as a one-stop supplier for mold component needs.

This helps customers:

Maintain consistent quality

Reduce supplier complexity

Improve design efficiency

Ensure component compatibility

Ready to Work with Gumao Precision?

Whether you need standard components, custom solutions, or technical support, our team is ready to assist.

Contact Us | Request a Quote