Winzun Precision Technology Co., Ltd.

You Don't Need Just Another Supplier. You Need A Partner Who Thinks Ahead—For You.

Request → Co-develop → Produce → Deliver → Improve
Discover – We listen to your requirements, goals, and challenges.
Co-create – We work hand-in-hand with your engineers to design the right solution.
Manufacture – We produce with speed, precision, and consistency.
Deliver – We ensure quality, handle logistics, and provide full documentation.
Evolve – We learn from every project to continuously improve.

Solutions

Design&Engineering

With our knowledge of plastic part design we offer CAD services to make 3D files from your 2D drawings or sketches.

Custom Mold Making Services

Steel/Aluminum injection molds. Accelerate your production with 30% faster tooling delivery and certified mold lifecycle managem..

Injection Molding Services

From custom plastic parts prototyping to high-volume production, we deliver precision injection molding with 500+ engineering-grade thermoplastics and ±0.01mm tolerance.

LSR Molding Services

Our automated LSR injection molding delivers ±0.005mm accuracy, zero post-processing, and full biocompatibility. Ideal for medical, automotive, and high-volume production – fast, reliable, and ready to use.

CNC Machining Services

Precision CNC machining of metal alloys engineering plastics. Optimized for complex part geometries, tight-tolerance (±0.005mm) components, and low-to-high volume production.

Rapid Prototyping Services

Get 1 to 50 prototype parts in 7 days using processes like CNC, rapid injection molding, and 3D printing.

12

Years Experience

55

Manufacturing Team

4000

Customer Cases

10000

Delivered Projects

Your Reliable Injection Molding Manufacturer

Do you need precise injection molds or plastic injection molding services? Winzun has the right solutions for your project. We are a reputable injection molding manufacturer that offers design, prototyping, and injection molding services. We use premium quality materials to ensure we deliver durable products with high functionality. Have a custom design concept in mind? No problem. Simply send it to us and we will implement it to perfection.

Factory Introduction

Custom Plastic Injection Molding

◆ Mold manufacturing / Insert Molding / Overmolding / / Hot Runner Molds / Two-shot / Multi-shot Molding/ Rapid prototyping/ Injection molding/ Assembly
◆ High tolerance :+/-0.01MM.
◆ Make moulds per customer drawings or samples.
◆ Surface Finishing: Texture, High gloss, Polishing.
◆ 100% quality inspection before shipping.
◆ Custom high precision plastic parts.
◆ ◆ Material:PP,ABS,ABS+PC,PC,TPE,PA66/PA6,PMMA,HDPE,POM,PBT,PPS,PSU,PEEK.
◆ Supply plastic for many fields, such as: Medical parts, Automotive parts, Industrial parts, Overmoulded parts, Double shots color parts,etc.

Product Design & Mold Design Service

We provide one-stop professional design solutions covering product design and mold design for custom plastic injection molding.
Product Design Service
◆ 2D/3D modeling from your ideas or sketches
◆ Structure assembly optimization
◆ DFM analysis for mass production readiness
Mold Design Service
◆ Full 3D mold design (core, cavity, gating, cooling, ejection)
◆ Design for cold runner hot runner molds, two-shot molds, insert molds, etc.
◆ Built to HASCO, DME MISUMI standards
◆ Moldflow simulation for filling, warpage cooling

Custom CNC Machining Service

◆ Custom metal plastic parts delivery as fast as within days
◆ From prototype to low-volume runs (1–1000+ units)
◆ 3-Axis, 4-Axis, 5-Axis CNC machining capabilities
◆ Get a Free Quote in 24h

We offer precision CNC machining for complex, high-tolerance parts – from prototype through production. Our 3-/4-/5-axis capabilities, combined with certified materials and diverse surface finishes, ensure tight tolerances, reliable quality, and fast delivery. ISO 9001 certified. Trusted by the aerospace sector and beyond.

Looking For A Complete Product? We Deliver.

We handle everything – sourcing, production, labeling, packaging, and shipping. You receive a finished product with serial numbers and full traceability. A complete turnkey solution, including logistics, product documentation, and test reports – all included. We assign a dedicated contact person for clear accountability, so you always know who to reach.