Injection Molded Parts | High-Precision Plastic & Metal Components Manufacturer

Trusted Injection Molding Expertise

Sun On Plastic Moulding Limited is a leading manufacturer of high-precision injection molded parts, die casting components, and custom plastic solutions based in China. With years of experience and advanced production capabilities, we deliver reliable, high-quality parts for industries including medical, automotive, electronics, and telecommunications.

ISO 9001:2008 & ISO/TS16949:2009 Certified Quality Systems
Tolerance as tight as ±0.02mm for precision components
Full-service OEM/ODM support from design to delivery
Advanced surface treatments: electroplating, sandblasting, UV spray, hydrographics

15+ Years

Manufacturing Excellence

Our Product Range

High-precision injection molded, die-cast, and silicone components for diverse industrial applications.

Hydrographics Transfer Printing Parts

Custom OEM injection molded plastic parts with water transfer surface finish for high aesthetic performance.

Material: ABS, PC, PMMA, PA
Tolerance: ±0.02mm
Applications: Automotive, Consumer Electronics

Precision Hardware Components

High-precision CNC machined hardware parts with electroplating and anodizing surface treatments.

Material: Aluminum, Stainless Steel, Brass
Surface: Electroplating, Anodizing, Polishing
Standards: ISO 9001:2008

Aluminum Die Casting Parts

High-pressure die-cast aluminum components with sandblasting and electrophoresis finish.

Material: ADC12, A380, AlSi10Mn
Machining: CNC Milling, Turning
ODM/OEM: Custom Design Supported

CNC Machined Aluminum Parts

Custom AL6063 aluminum parts with precision CNC machining for industrial applications.

Material: AL6063, Aluminum Alloy
Tolerance: ±0.02mm
Service: OEM/ODM, Rapid Prototyping

High Heat Resistance Plastic Covers

Transparent injection molded shells with UV resistance and high-temperature tolerance.

Material: PC, PMMA, PBT
Features: Transparent, Heat Resistant
Application: Electronics, Medical Devices

Custom Injection Molded Parts

Tailored plastic components for cameras, toys, and consumer products with fast turnaround.

Material: ABS, PA6, PA66, PP, TPU
Design Time: 1–3 Days
Customization: Full OEM Support

Silicone Rubber & Compression Molds

Injection and compression molded silicone parts for medical and industrial use.

Type: Rubber Injection & Compression Mold
Standards: Medical Grade Compliant
Applications: Seals, Gaskets, Medical Devices

Medical Plastic Injection Molding

Precision ABS/PC plastic cases for medical devices like blood pressure monitors.

Material: ABS, PC, PMMA, PS
Finish: Electro Polish, Screen Printing
Certified: ISO 13485 Compliant Processes

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Why Choose Our Services?

±0.02mm

Ultra-Precision Tolerance

Achieve tight tolerances for mission-critical components in medical and automotive sectors.

1-3 Days

Fast Design Turnaround

Rapid prototyping and mold design completed in as little as 1–3 days under normal conditions.

OEM/ODM

Full Customization

End-to-end support from concept to mass production with full OEM and ODM capabilities.

Global

Worldwide Delivery

Reliable logistics and standard export packaging to serve clients across North America, Europe, and Asia.

Frequently Asked Questions

What materials do you use for injection molding?

We work with a wide range of thermoplastics including ABS, PA6, PA66, PP, PC, PMMA, POM, PBT, PVC, TPE, TPV, TPR, and EV. For metal parts, we use aluminum, brass, stainless steel, and copper alloys.

Can you handle small batch and prototype orders?

Yes, we offer rapid prototyping and low-volume production services. Our CNC and 3D printing capabilities allow us to deliver functional prototypes in as little as 3–5 days.

What certifications do you have?

Our quality management system is certified to ISO 9001:2008 and ISO/TS16949:2009 standards. We also follow ISO 13485 guidelines for medical device components.

Do you offer design and engineering support?

Yes, our engineering team provides full DFM (Design for Manufacturing) analysis, mold flow simulation, and CAD support to optimize your part design for manufacturability and cost-efficiency.

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Precision Injection Molded Parts & Components