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Precision Mold Connect The World

China Injection Mold Manufacturer | Specializing in Automotive, Medical, Cleaning Appliances & New Energy Molds Since 2008

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2008

Year Established

200+

Advanced Equipment

16,000m²

Modern Factory

40+

Patents

About DONHO Mold

DONHO Mold (Suzhou Donghao Precision Manufacturing Co., Ltd.) was established in 2008 and is a national high-tech enterprise specializing in the development of plastic injection molds. We are committed to delivering high-precision, reliable, and innovative mold solutions for global industries.

Our expertise spans insert molds, over molds, high-temperature injection molds, and precision molds, serving critical sectors including medical devices, automotive, cleaning appliances, and new energy.

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Why Choose Us

MES System Management

Equipped with a full-process MES mold management system. Production planning and process control are fully transparent with real-time monitoring and data visualization for controllable quality.

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Mold Processing Equipment

Advanced processing and testing equipment enable micron-level high-precision control, ensuring dimensional accuracy and consistency across all mold components.

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Automation Capability

Full automation in EDM/CNC processing and CMM measurement ensures high efficiency, reliability, and repeatability in mold manufacturing.

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Quality Control

Precision measuring instruments combined with systematic automated management ensure accuracy, efficiency, and long-term performance.

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Our Core Technologies

Insert Mold

High-precision integration of metal or plastic inserts into injection-molded parts. Ideal for structural reinforcement and electrical connectivity.

Over Mold

Two-shot molding for soft-touch surfaces, sealing, or multi-material integration. Commonly used in medical and automotive handles.

High-Temperature Injection Mold

Designed for engineering plastics like PPS, PA, and PBT requiring mold temperatures up to 160°C. Ensures proper crystallization and surface finish.

Precision Mold

Capable of holding tolerances under ±0.02mm. Ideal for micro-optics, medical devices, and advanced electronics.

Rubber-Coated Mold

Specialized for overmolding elastomers onto rigid substrates. Offers excellent grip, sealing, and vibration damping.

Automotive Connector Mold

Engineered for connectors operating from -40°C to 150°C. Resists vibration, chemical corrosion, and thermal cycling.

Medical Device Mold

Designed for ISO 13485 compliance. High cleanliness, precision, and biocompatible material compatibility.

New Energy Mold

Supports EV components, battery systems, and charging infrastructure with high durability and thermal stability.

Our Capabilities

Design

Advanced CAD/CAM/CAE simulation for mold flow, cooling, and structural integrity.

Manufacturing

Micron-level CNC, EDM, and grinding for high-precision mold components.

Quality Control

CMM, optical measurement, and automated inspection systems ensure consistency.

Automated Control

MES integration, real-time monitoring, and automated data logging for full traceability.

Application Fields

Medical

Syringes, connectors, diagnostic devices, and surgical tools requiring high precision and cleanliness.

Cleaning Appliances

Components for vacuum cleaners, steam mops, and robotic cleaners with complex geometries.

Automotive

Connectors, sensors, interior parts, and EV components with strict environmental resistance.

New Energy

Battery housings, charging modules, and power electronics requiring thermal and mechanical stability.

Latest News

December 12, 2025

Mold Design for Engineering Plastics: PA, PBT, PPS

High mold temperatures (130°C–160°C) are critical for proper crystallization and surface finish in materials like PPS and PA.

December 5, 2025

Holding Tolerances Under ±0.02mm

The 5 engineering principles behind consistent precision in medical and micro-optics molding.

November 27, 2025

Maximizing Mold Lifespan

Material selection and heat treatment prevent premature failure due to wear, corrosion, and pressure.

November 18, 2025

Automotive Connector Mold Technologies

Withstands -40°C to 150°C, vibration, and chemical exposure. Focus on scenario-adaptive design.

November 13, 2025

Sliders, Angle-Lifts & Core-Pulling

Design philosophy for complex internal geometries in precision molds.

November 7, 2025

Precision Injection Molding Insights

It's not just about part accuracy—it's about consistency from shot one to a million.

All News

How Can I Help You?

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