Showing 1-6 of 86 results

Die Casting Mold Design

We manufacture custom die casting molds with high precision, durable materials, and optimized structures for reliable metal component production. Our tooling solutions support complex geometries, stable performance, and high-volume manufacturing across automotive, electronics, industrial, and new energy applications.

  • Precision Tooling Design – Ensures accurate cavity dimensions and consistent casting results.
  • Durable Mold Materials – Uses high-performance steels for extended tool life.
  • Complex Structure Capability – Supports sliders, inserts, multi-cavity designs, and detailed features.
  • Optimized Cooling Systems – Improves thermal control and production efficiency.
  • Production-Ready Tooling – Supports prototype validation and mass production.
Contact +

Zinc Die Cast Parts

Custom zinc die cast parts deliver precise metal components with excellent surface quality and dimensional stability. They support complex designs, efficient production, and reliable performance across multiple industries.

  • Material Options
    Zamak 3, Zamak 5, and customized zinc alloys.
  • Part Capability
    Thin walls, complex structures, fine details, and integrated features.
  • Surface Finish
    Polishing, plating, coating, painting, and texturing.
  • Production Volume
    Prototype, small batch, and high-volume manufacturing.
  • Quality Control
    Dimensional inspection and appearance verification.
Contact +

Die Casting Mold

We manufacture custom die casting molds that help companies produce complex metal components with high accuracy and efficiency. By combining mold design, precision machining, and strict quality control, we deliver tooling solutions for automotive, electronics, industrial, and new energy applications.

Precision Mold Manufacturing – Achieves accurate cavity dimensions for consistent casting results.

Durable Tool Steel Selection – Uses high-performance steels to extend mold service life.

Complex Structure Capability – Supports multi-cavity molds, sliders, inserts, and detailed features.

Optimized Cooling Design – Improves heat management and reduces casting defects.

Flexible Production Support – Covers prototype validation, trial runs, and mass production.

Contact +

Stainless Steel CNC Machining

Material Options:
Common stainless steel grades include 303, 304, 316, and 17-4PH, each selected based on strength, corrosion resistance, and machining requirements.

Machining Accuracy:
Supports tight tolerances for precision components, ensuring reliable assembly and consistent performance.

Surface Finish:
Available finishes include machined, bead blasted, polished, passivated, and electropolished surfaces to meet different functional and aesthetic needs.

Part Capability:
Manufactures complex components with precision holes, threads, thin walls, and multi-axis features.

Production Volume:
Suitable for rapid prototypes, low-volume production, and large-scale manufacturing with stable quality.

Inspection Standards:
Uses dimensional inspection and quality control processes to verify part accuracy and production consistency.

Contact +

Aluminum CNC Parts

Sunon-Mould manufactures custom aluminum CNC parts for precision applications across automation, automotive, electronics, and industrial equipment industries. We provide CNC milling, CNC turning, drilling, tapping, and multi-axis machining solutions for prototypes, small batches, and mass production. Supporting aluminum alloys including 6061, 6063, 7075, 2024, and custom materials, we deliver lightweight components with stable quality, accurate dimensions, and reliable performance.

  • Lightweight Strength: Up to 40% weight reduction compared with steel parts while maintaining structural performance.
  • High Precision: Machining accuracy up to ±0.01mm for reliable assembly and performance.
  • Complex Machining: Supports 3-axis, 4-axis, and 5-axis CNC machining for customized geometries.
  • Fast Prototyping: Prototype production available within 7–15 days for design validation.
  • Surface Options: Anodizing, sandblasting, polishing, brushing, and coating available.
  • Flexible Production: From 1-piece prototypes to 10,000+ pcs orders with stable quality.
Contact +

Aluminum CNC Machining

Sunon-Mould provides custom aluminum CNC machining services for prototypes, small batches, and mass production. We support CNC milling, CNC turning, drilling, tapping, surface finishing, and complex multi-axis machining. Our experienced engineering team works with different aluminum grades, including 6061, 6063, 7075, 2024, and custom materials based on project requirements.

  • Lightweight Strength: Strong aluminum parts with reduced overall weight.
  • High Precision: Tight tolerances for complex custom components.
  • Fast Prototyping: Quick machining support for design validation.
  • Surface Options: Anodizing, polishing, brushing, and plating available.
  • Flexible Production: Suitable for samples, small batches, and mass orders.
Contact +

Prototype to Mass Production

Prototype to Mass Production:This process guides a product from its initial concept through testing and refinement to achieve full-scale fabrication. It emphasizes precision planning, component evaluation, and process validation to ensure each unit meets design intentions. By integrating pilot trials and iterative adjustments, manufacturers can optimize assembly methods, reduce material waste, and maintain consistent performance across large quantities. The approach provides a structured path from small experimental models to commercially viable, high-volume products while minimizing delays and production issues.

  • Streamlined Transition – Converts experimental models into large batches efficiently.
  • Process Verification – Confirms methods and operations function reliably before scaling.
  • Resource Optimization – Reduces unnecessary material consumption during production.
  • Consistency Across Units – Ensures uniform performance and dimensions in every item.
  • Market Readiness – Accelerates preparation of products for commercial distribution.
Contact +

Overmolding / Insert Molding

Overmolding and insert molding are specialized fabrication methods that create multi-material components with seamless integration. These techniques allow one part to incorporate different textures, strengths, or embedded elements in a single process. By combining distinct materials in a precise, controlled manner, manufacturers can produce complex, functional products that are stronger, more ergonomic, and easier to assemble. This approach is widely used across industries to achieve innovative designs and improve the performance of tools, devices, and equipment.

  • Streamlined Production – Combines multiple steps into a single operation.
  • Custom Material Pairing – Allows different substances to work together effectively.
  • Enhanced Mechanical Integrity – Strengthens connections between parts without extra fasteners.
  • Optimized Workflow – Reduces handling and alignment adjustments.
  • Versatile Component Integration – Supports embedding specialized inserts for unique functions.
Contact +

Multi-Cavity Molds

Multi-cavity molds are advanced tooling systems designed to simultaneously produce several replicas of a part within a single molding operation. These molds optimize production efficiency, minimize per-unit costs, and ensure uniform output without compromising surface finish or structural detail. Ideal for industries requiring high-volume manufacturing, they support precise material flow and consistent part geometry. By enabling faster cycles and streamlined workflow, multi-cavity molds offer a practical solution for scaling production while maintaining operational reliability and product consistency.

  • Rapid Part Generation – Multiple items are formed simultaneously, saving production hours.
  • Uniform Material Distribution – Ensures equal fill and density in each unit.
  • Simplified Tool Handling – Reduces complexity during setup and mold changes.
  • Energy Efficient Operation – Consumes less power per part compared to single-cavity molds.
  • Enhanced Workflow Integration – Facilitates seamless coordination with automated production lines.
Contact +

Smart Cleaning Robot Plastic Injection Mold

These molds are precision-engineered tools for shaping polymer parts used in robotic cleaning devices. They enable the creation of detailed housings, supports, and functional pieces with consistent form and quality. Designed for efficiency and durability, the molds accommodate complex configurations while minimizing production flaws. Suitable for both experimental and large-scale manufacturing, they streamline assembly processes, maintain part uniformity, and support the development of innovative automated cleaning solutions across consumer and industrial applications.

  • Rapid Production – Accelerates manufacturing cycles for timely part delivery.
  • Precision Consistency – Maintains uniformity across multiple components.
  • Design Versatility – Accommodates varied shapes and mechanical features.
  • Material Efficiency – Reduces waste during molding operations.
  • Maintenance Simplicity – Easy to clean and adjust for continuous use.
Contact +

Micro Injection Molding for Small Plastic Parts

Micro injection molding produces miniature polymer components with exceptional accuracy. This technique enables intricate designs, consistent output, and high reliability for applications requiring small, finely detailed parts.

  • Rapid Turnaround – Accelerates production cycles for tiny components.
  • Enhanced Fit – Ensures parts integrate seamlessly with assemblies.
  • Surface Consistency – Achieves smooth finishes without additional treatment.
  • Reduced Defects – Minimizes imperfections common in traditional molding.
  • Scalable Output – Easily adapts to varying production volumes.
Contact +

Large Size Plastic Injection Molding Service

This service specializes in producing oversized polymer components with precision and uniformity. It supports complex designs, thick structures, and high-volume manufacturing for industrial, automotive, and commercial applications.

  • Rapid Turnaround – Accelerates delivery for large-scale projects.
  • Reduced Waste – Optimized process minimizes material loss.
  • Complex Geometry Handling – Can produce intricate, unconventional shapes.
  • Enhanced Surface Finish – Provides smooth, consistent exterior quality.
  • Scalable Production – Easily adapts to both small batches and high-volume runs.
Contact +

Thin Wall Plastic Injection Molding for Electronics

This process creates precise, lightweight polymer components with ultra-slim profiles. It enables efficient production of detailed parts for electronic devices while maintaining structural stability and high repeatability.

  • Optimized Flow Control – Ensures molten plastic reaches all areas without defects.
  • Reduced Cycle Time – Speeds up production while maintaining part integrity.
  • Enhanced Surface Finish – Delivers smooth, defect-free external surfaces.
  • Light-Weight Integration – Supports assembly of delicate electronic structures.
  • Complex Feature Incorporation – Allows built-in channels, clips, or hinges.
Contact +

PA66 Automotive Connector Molding

PA66 automotive connector molding produces polymer parts that link vehicle electrical circuits securely. These engineered components offer stability, resist harsh conditions, and ensure consistent performance in diverse automotive systems.

  • Rapid Production – Enables high-volume manufacturing with consistent quality.
  • Design Versatility – Can be shaped into complex geometries for various connector types.
  • Dimensional Precision – Guarantees uniformity for seamless assembly.
  • Long-Term Reliability – Maintains structural integrity over extended service periods.
  • Assembly Efficiency – Simplifies integration into vehicle electrical systems.
Contact +

PC Plastic Housing Injection Molding

This process creates polycarbonate enclosures by shaping molten material within molds, producing precise and durable casings. It supports complex configurations, offers stability under stress, and ensures long-lasting performance for electronic and mechanical assemblies.

  • Streamlined Production – Enables fast and efficient fabrication cycles.
  • Consistent Quality – Maintains uniformity across multiple units.
  • Lightweight Design – Reduces overall assembly weight without sacrificing integrity.
  • Custom Feature Integration – Allows incorporation of functional elements directly in the mold.
  • Minimal Material Waste – Optimizes polymer usage and reduces scrap.
Contact +

Nylon Injection Molded Mechanical Components

These components are precision polymer pieces shaped through injection molding to support moving assemblies. They offer high durability, smooth operation, and stability under repetitive mechanical forces in various equipment and devices.

  • Simplified Assembly – Designed for quick and straightforward integration.
  • Noise Reduction – Minimizes operational sounds in mechanical systems.
  • Energy Efficiency – Reduces friction, supporting smoother motion with less power.
  • Flexible Adaptation – Compatible with varied mechanical designs and layouts.
  • Consistent Output – Maintains uniform performance across multiple units.
Contact +

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.

View More