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Custom Precision Injection Molds Engineered for Unmatched Quality and Production Efficiency

Our custom precision injection molds are the cornerstone of high-volume plastic component manufacturing, designed to meet the most demanding specifications of industries including automotive, consumer electronics, medical devices, and industrial equipment. Each mold is a bespoke engineering solution, crafted from premium tool steels using state-of-the-art CNC machining, EDM, and grinding technologies. We transform your product design into a durable, high-performance mold that delivers consistent, defect-free parts cycle after cycle.
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  • yixun

  • yixunmold

Our custom precision injection molds are the cornerstone of high-volume plastic component manufacturing, designed to meet the most demanding specifications of industries including automotive, consumer electronics, medical devices, and industrial equipment. Each mold is a bespoke engineering solution, crafted from premium tool steels using state-of-the-art CNC machining, EDM, and grinding technologies. We transform your product design into a durable, high-performance mold that delivers consistent, defect-free parts cycle after cycle.

Core Features & Advantages

1. Precision Engineering & Material Excellence

  • High-Precision Manufacturing: Utilizing 5-axis CNC machining and wire EDM, we achieve dimensional tolerances as tight as ±0.005mm, ensuring every part meets your exacting standards.

  • Premium Tool Steels: We select from a range of high-grade steels (P20, H13, S136, etc.) based on your production volume, material, and longevity requirements, guaranteeing exceptional wear resistance and heat stability.

  • Advanced Surface Treatments: Optional nitriding, chrome plating, or polishing (up to SPI-A-1 finish) enhance corrosion resistance, reduce friction, and improve part aesthetics.

2. Modular & Functional Design

  • Two-Plate / Three-Plate Configurations: Our molds are available in standard two-plate or complex three-plate designs, optimized for your part geometry and gating strategy.

  • Integrated Systems: We seamlessly integrate critical subsystems:

    • Cooling Channels: Optimized conformal cooling designs reduce cycle times by up to 30%, boosting productivity.

    • Hot Runner Systems: Precision-controlled hot runners eliminate runner waste and ensure consistent material flow.

    • Slide & Lifter Mechanisms: Expertly designed side-action cores and lifters handle complex undercuts and internal features without compromising part quality.

    • Ejection Systems: Customized ejector pin, sleeve, or stripper plate setups ensure clean, damage-free part release.

3. Quality & Durability

  • Rigorous Testing: Every mold undergoes comprehensive steel hardness testing, flow simulation, and trial runs before delivery to validate performance.

  • Longevity: Our molds are built for millions of cycles, with replaceable wear components to minimize downtime and extend service life.

  • Compliance: All designs adhere to international standards (ISO 13485 for medical, IATF 16949 for automotive) to meet regulatory requirements.


Technical Specifications

Parameter Details
Mold Base DME / HASCO / LKM standards (customizable)
Tool Steel P20, H13, S136, NAK80, etc.
Cavity Quantity Single-cavity to multi-cavity (up to 64+ cavities)
Tolerance ±0.005mm (critical features)
Surface Finish SPI-A-1 to SPI-D-3 (customizable)
Cooling System Conformal / conventional channels
Hot Runner Yudo / Mold Masters compatible
Lifespan 500,000 to 5,000,000+ cycles

Application Scenarios

Our custom injection molds power production across key industries:
  • Automotive: Interior trim, under-hood components, lighting housings.

  • Medical: Surgical instruments, diagnostic equipment, implantable components.

  • Electronics: Consumer electronics enclosures, connectors, heat sinks.

  • Industrial: Machine parts, housings, structural components.


Our Customization Process

  1. Design & DFM Analysis: Our engineering team conducts a thorough Design-for-Manufacturing (DFM) review to optimize your part for moldability.

  2. Mold Design & Simulation: Using CAD/CAM software and flow simulation, we finalize the mold design and validate performance before cutting steel.

  3. Precision Machining: Our skilled technicians employ advanced CNC and EDM equipment to manufacture the mold components.

  4. Trial & Validation: We conduct full production trials, providing detailed reports and sample parts for your approval.

  5. Delivery & Support: The mold is shipped with comprehensive documentation, and we offer ongoing maintenance and modification services.


Why Partner With Us?

  • Expertise: Decades of experience in designing and building high-precision molds for global leaders.

  • Flexibility: Full customization to meet unique project requirements, from prototype to high-volume production.

  • Efficiency: Streamlined workflows and advanced manufacturing reduce lead times and lower your total cost of ownership.

  • Global Support: Localized engineering and customer service teams ensure seamless communication and support worldwide.

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Yixun is the China first generation mold maker, specialize in mold and moulding, provide one-stop plastic manufacturing service, feature in building medical and healthcare device tooling.
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