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Plastic Parts for Home Appliances

Plastic components are widely used in household appliances for their versatility and functionality. These parts, crafted from durable plastics, are lightweight, cost-effective, and help enhance the performance and durability of everyday appliances like refrigerators, washing machines, and microwaves.
  • Impact Absorption: Helps reduce damage from accidental drops or impacts.
  • Low Maintenance: Requires minimal upkeep due to its resistance to wear.
  • Quick Production: Efficient manufacturing process for large quantities.
  • Smooth Finish: Allows for easy cleaning and maintenance.
  • Energy Efficient: Contributes to appliance efficiency by reducing overall weight.
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Plastic Casing for Smart Devices

Plastic casings for smart devices are lightweight protective coverings made from durable plastics, designed to safeguard electronics from external damage. These cases provide essential protection while maintaining the sleek and compact form of modern smart gadgets.
  • Scratch Resistance: Helps prevent surface damage from daily use.
  • Affordable Production: Reduces manufacturing costs for large quantities.
  • Easy Customization: Can be easily tailored to different device designs.
  • Lightweight Protection: Offers strong defense without adding bulk.
  • Thermal Insulation: Prevents overheating by providing some heat resistance.
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Injection Molded Electronic Enclosures

Injection Molded Electronic Enclosures are protective casings produced by injecting molten plastic into molds. This process creates durable and precise enclosures that shield electronic components from external elements, enhancing device performance and lifespan across various sectors.
  • Easy to Assemble: Simple to put together, reducing assembly time.
  • Flexible Designs: Can accommodate various shapes and features.
  • Impact Absorption: Protects electronics from shocks and vibrations.
  • Cost-Effective for Large Runs: Efficient for mass production, reducing overall costs.
  • Non-corrosive: Resistant to rust and degradation over time.
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Electronics Plastic Housing

Electronics Plastic Housing is a protective plastic casing used to safeguard electronic components from damage, environmental elements, and electrical issues, ensuring device reliability and performance.
  • Chemical Resistance: Resists damage from oils, solvents, and other chemicals.
  • Easy Assembly: Simple to assemble with minimal effort and tools.
  • Aesthetic Flexibility: Can be made with different textures and finishes for visual appeal.
  • Recyclability: Made from materials that can be recycled, promoting sustainability.
  • Temperature Stability: Maintains integrity across a wide range of temperatures.
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IV Connector Plastic Parts

IV Connector Plastic Parts are plastic components used to securely link parts of IV systems, ensuring safe and efficient fluid and medication delivery in healthcare settings.
  • Efficient Flow – Ensures smooth fluid passage.
  • Lightweight – Easy to handle during medical procedures.
  • Non-reactive – Resistant to chemical interactions with fluids.
  • Precise Fit – Designed to prevent disconnections or leaks.
  • Flexible Design – Can be adapted for various medical needs.
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Medical Enclosure Injection Molding

Medical Enclosure Injection Molding is a technique that forms custom plastic housings for medical instruments. This process ensures the components are securely encased, offering protection against environmental factors and maintaining the device's functionality.
  • Customizable Shapes – Tailored designs to suit unique device requirements.
  • Lightweight – Reduces overall weight of medical devices.
  • Enhanced Hygiene – Supports clean environments with smooth surfaces.
  • Quick Production – Efficient manufacturing process for faster delivery.
  • Chemical Resistance – Withstands exposure to medical-grade cleaners and chemicals.
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FDA Approved Plastic Components

FDA Approved Plastic Components are plastics certified by the FDA for use in medical and healthcare products, ensuring safety, quality, and compliance.
  • Enhanced Hygiene – Reduces risk of contamination in medical settings.
  • Versatility – Suitable for a wide range of applications.
  • Easy to Sterilize – Can be cleaned and sanitized for reuse.
  • Long-Lasting – Resistant to wear and aging.
  • Consistent Quality – Ensures uniformity across production.
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Cleanroom Injection Molding

Cleanroom Injection Molding is a process where plastic parts are molded in a controlled, contaminant-free environment, ensuring high-quality components for sensitive industries like healthcare and electronics.
  • Improved Safety – Reduces contamination risks.
  • Stable Conditions – Ensures precise manufacturing.
  • Consistent Quality – Uniform results every time.
  • Faster Production – Increases efficiency.
  • Versatility – Suitable for various industries.
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Medical Grade Plastic Molding

Medical Grade Plastic Molding shapes high-quality plastics for medical devices, ensuring safety, precision, and durability. It enables cost-effective production of essential healthcare components.
  • Flexible Design – Allows for complex shapes and intricate details.
  • Consistent Quality – Ensures uniformity across large batches.
  • Quick Production – Speeds up manufacturing times.
  • Lightweight – Reduces the overall weight of medical devices.
  • Chemical Resistance – Resists damage from medical-grade disinfectants and chemicals.
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Diagnostic Equipment Plastic Housing

Diagnostic Equipment Plastic Housing is a protective plastic casing used to enclose diagnostic devices, offering durability, impact resistance, and protection from environmental factors.
  • Versatile – Suitable for a variety of diagnostic devices.
  • Corrosion-Resistant – Protects against rust and degradation.
  • Enhanced Safety – Reduces risks from electrical interference.
  • Shock-Absorbent – Helps prevent damage from impacts.
  • Aesthetic Appeal – Offers smooth finishes and attractive designs.
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Surgical Instrument Plastic Parts

Surgical Instrument Plastic Parts are lightweight, durable plastic components used in surgical tools, offering precision and reliability while ensuring safety in medical procedures.
  • Enhanced Grip – Improves control and handling during procedures.
  • Chemical Resistance – Withstands exposure to medical-grade disinfectants.
  • Flexible Design – Easily molded to fit complex shapes.
  • Reduced Fatigue – Lighter parts reduce strain on medical professionals.
  • Long Lifespan – Durable enough to endure repeated use in high-stress environments.
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Disposable Medical Plastic Parts

Disposable Medical Plastic Parts are single-use plastic items used in healthcare to ensure hygiene and prevent contamination, commonly found in syringes, gloves, and test kits.
  • Safe Handling – Reduces risk of cross-contamination.
  • Quick Disposal – Easy to dispose of after use.
  • Ready Availability – Consistently available for immediate use.
  • Versatile – Suitable for a variety of medical procedures.
  • Precise Design – Ensures accurate functionality for medical tasks.
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Medical Device Plastic Components

Medical Device Plastic Components are durable plastic parts used in medical devices. They ensure safety, precision, and reliability, often found in diagnostic tools, surgical instruments, and implants.

  • High Precision – Ensures accurate design and function.
  • Chemical Resistance – Withstands medical-grade chemicals.
  • Easy Fit – Integrates smoothly into devices.
  • Stable in Temperature – Performs well in varying conditions.
  • Sterilizable – Can be safely sterilized for medical use.
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Medical Injection Molded Parts

Medical Injection Molded Parts are precise plastic components made for medical devices using injection molding. They ensure high accuracy, safety, and compliance with industry standards.
  • Rapid Prototyping – Quick design adjustments and testing.
  • Complex Geometry – Capable of producing intricate shapes.
  • Lightweight – Reduces overall weight of medical devices.
  • Enhanced Durability – Resists wear and long-term usage.
  • High Volume Capability – Suitable for mass production with consistent quality.
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Automotive Sensor Housing Injection Molding

Automotive Sensor Housing Injection Molding is a process that produces durable plastic enclosures for vehicle sensors, protecting them from harsh environments and ensuring reliable performance.

  • Versatility – Suitable for various sensor types and applications.
  • High Strength – Provides robust protection against impacts.
  • Easy Integration – Simplifies assembly within the vehicle.
  • Corrosion Resistance – Protects sensors from rust and degradation.
  • Custom Designs – Allows for tailored shapes and sizes for specific needs.
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Electric Vehicle Plastic Components

Electric Vehicle Plastic Components are lightweight, durable plastic parts used in EVs to reduce weight, improve energy efficiency, and enhance performance. They are found in batteries, interiors, and exteriors.

  • Flexible Design – Enables intricate and complex shapes.
  • Recyclable – Contributes to sustainability through recyclable materials.
  • Noise-Reducing – Helps minimize vibrations and noise.
  • Thermal Insulation – Helps regulate temperature within the vehicle.
  • Chemical Resistance – Withstands exposure to oils, fuels, and other chemicals.
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Precision-Engineered Mould Solutions Tailored to Your Needs

The modern manufacturing industry comprises custom plastic injection moulds that allow producing high-quality and repeatable plastic parts in a diverse array of industries. We specialize in designing and production of precision injection moulds at SunOn Industrial Group Limited, specific to your product, application and production level.

SunOn has more than 25 years of experience in the industry and is a reliable OEM/ODM supplier who will provide you with the entire system (concept to finished product) at your idea. These could be either a new product or an optimization of an existing product, our in-house engineers and technicians would see to it that all the moulds are of your specifications as far as functionality, durability and performance is concerned.

Our Custom Mould Capabilities.

SunOn is a single roof company offering the full customization of plastic injection moulds:

  • Product and Mold Design: We work in close consultation with the clients to comprehend the design purpose, functionality and manufacturability.
  • Mold Flow Analysis: We optimize the design of a mold to constitute material flow, cooling, contraction and cycle of time with the help of a simulation software.
  • Tooling & Fabrication: Precision mold components are produced in-house with CNC machining centers, EDM, wire-cutting and grinding.
  • Trials of Injection Molding: We do extensive sampling and trials to make sure that all moulds satisfy the customer expectations before mass production.
  • Revisions & Maintenance: Continuous assistance in mold changes, keeping of the tools and refurbishment lengthens the life of your tooling investment.

Equipment and Facilities

We have a 32, 000-square-meter plant in Dongguan, China that has:

  • 89 injection molding machines (50T-1200T).
  • 17 two color (2K) molding machines (120T-700T).
  • 37 CNC machining centers
  • 46 EDM machines
  • 8 slow wire-cut machines
  • CMM measurement and QC labs

In-house temperature controllers and drying systems of molds.

Our version of this highly developed infrastructure is easy lead times, small tolerances (±0.005mm), and uniform quality of parts in both small pilot and high volume output.

Materials and Applications

Our custom plastic injection moulds support a wide variety of engineering-grade thermoplastics including:

  • ABS, PC, PP, PA, POM, PE, PMMA, TPU, TPE, and more

  • High-performance resins for medical and automotive applications

  • Flame-retardant, glass-filled, or UV-resistant compounds

Applications:

  • Automotive dashboards, connectors, and housings

  • Consumer electronics casings and internal components

  • Medical device enclosures and disposables

  • Industrial sensor housings and machine parts

  • Household and kitchen appliance parts

  • LED lighting fixtures and covers

Quality Assurance and Compliance

Quality is central to everything we do. Every custom plastic injection mould we manufacture is subject to rigorous quality control protocols, including:

  • CMM (Coordinate Measuring Machine) dimensional inspection

  • First Article Inspection Reports (FAIR)

  • Sample Approval Process (T0–T3)

  • Material and hardness verification

  • Full traceability of components and tooling

We are ISO 9001 certified, and our materials and processes comply with RoHS, REACH, and relevant UL standards.

Advantages of Partnering with SunOn

✅ Full In-House Control

All critical steps—from mold design to plastic injection molding—are completed under one roof, giving you consistent quality and accountability.

✅ Speed and Flexibility

With in-house tooling and rapid prototyping, we minimize lead times and can quickly adapt to design changes or production demands.

✅ Cost Efficiency

Our optimized processes and strategic location allow us to offer competitive pricing without compromising quality.

✅ Engineering Support

We provide technical input on DFM (Design for Manufacturability), material selection, and mold optimization to ensure the success of your product.

Customization Options

Every product is different, and so is every mold. Our team will work with you to customize your injection moulds based on:

  • Cavity number: single-cavity, multi-cavity, family mold

  • Runner system: hot runner, cold runner, semi-hot

  • Mold base type: standardized or fully custom

  • Surface finish: mirror polish, textured, matte, or custom engraving

  • Ejector systems: pin ejector, sleeve ejector, stripper plate

We also support overmolding, insert molding, and two-shot molding (2K) based on your part design and material requirements.

Industries We Serve

Our custom plastic injection moulds are trusted by companies in:

  • Automotive (interior/exterior trim, lighting, fluid management)

  • Medical Devices (diagnostic tools, single-use parts, enclosures)

  • Consumer Electronics (housings, connectors, thermal management)

  • Industrial Equipment (sensor housings, mounting systems)

  • Smart Home Products (IoT devices, wearables, smart plugs)

We offer fast, competitive quotes and even free CNC-machined prototypes so you can evaluate fit, function, and finish before production. Whether you’re launching a new product or scaling up production, SunOn Industrial Group is your trusted partner for custom plastic injection moulds. With decades of experience, cutting-edge equipment, and full in-house capabilities, we deliver reliable, efficient, and high-quality tooling solutions to clients worldwide.

Let us bring your plastic components to life—with precision, performance, and partnership.

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