Medical Enclosure Injection Molding
- 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.
FDA Approved Plastic Components
- 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.
Cleanroom Injection Molding
- 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.
Medical Grade Plastic Molding
- 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.
Diagnostic Equipment Plastic Housing
- 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.
Surgical Instrument Plastic Parts
- 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.
Disposable Medical Plastic Parts
- 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.
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.
Medical Injection Molded Parts
- 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.
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.
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.
EV Plastic Battery Housing
EV Plastic Battery Housing is a lightweight, durable plastic casing that protects electric vehicle batteries from damage, moisture, and temperature changes, ensuring optimal performance and safety.
- Impact-Resistant – Withstands physical shocks and collisions.
- Weatherproof – Offers protection against rain and extreme temperatures.
- Energy Efficient – Optimizes battery performance and lifespan.
- Customizable – Tailored to fit various battery sizes and shapes.
- Non-Conductive – Prevents electrical issues and short circuits.
Automotive Connector Plastic Parts
Automotive Connector Plastic Parts are durable plastic components used to connect electrical systems in vehicles. They provide reliable, lightweight, and cost-effective solutions for linking various systems like lighting and sensors.
- Impact-Resistant – Withstands shocks.
- Weatherproof – Protects against moisture.
- Lightweight – Reduces vehicle weight.
- Customizable – Tailored for specific needs.
- Affordable – Lower cost than metal connectors.
Automotive Lighting Housing Molding
- High Precision – Ensures exact fit and function.
- Lightweight – Reduces overall vehicle weight.
- Weatherproof – Resists environmental factors like UV and moisture.
- Customizable – Adaptable to various vehicle designs and styles.
- Durable – Provides long-lasting protection for lighting components.
Automotive Bumper Plastic Molding
- Improved Safety – Minimizes damage during low-speed impacts.
- Precision Fit – Ensures accurate shapes and sizes.
- Rust-Free – No corrosion over time.
- Impact Absorption – Reduces force on the vehicle.
- Recyclable – Many plastic bumpers are eco-friendly.
Automotive Dashboard Plastic Components
Automotive Dashboard Plastic Components are durable, lightweight plastic parts used in car dashboards. They include panels, control housings, and trim, offering design flexibility and protection for various dashboard features. These components enhance both the functionality and appearance of the vehicle’s interior.
- Aesthetic Variety – Available in various colors, textures, and finishes.
- UV Protection – Resists fading from exposure to sunlight.
- Easy Maintenance – Simple to clean and maintain.
- Noise Reduction – Helps reduce interior noise levels.
- Environmental Sustainability – Can be made from recyclable materials.
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:
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ABS, PC, PP, PA, POM, PE, PMMA, TPU, TPE, and more
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High-performance resins for medical and automotive applications
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Flame-retardant, glass-filled, or UV-resistant compounds
Applications:
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Automotive dashboards, connectors, and housings
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Consumer electronics casings and internal components
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Medical device enclosures and disposables
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Industrial sensor housings and machine parts
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Household and kitchen appliance parts
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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:
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CMM (Coordinate Measuring Machine) dimensional inspection
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First Article Inspection Reports (FAIR)
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Sample Approval Process (T0–T3)
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Material and hardness verification
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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:
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Cavity number: single-cavity, multi-cavity, family mold
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Runner system: hot runner, cold runner, semi-hot
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Mold base type: standardized or fully custom
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Surface finish: mirror polish, textured, matte, or custom engraving
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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:
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Automotive (interior/exterior trim, lighting, fluid management)
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Medical Devices (diagnostic tools, single-use parts, enclosures)
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Consumer Electronics (housings, connectors, thermal management)
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Industrial Equipment (sensor housings, mounting systems)
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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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