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Precision Mold & Tooling Solutions

Delivering high-performance injection molds for automotive, medical, packaging, and industrial applications with over 20 years of engineering excellence.

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About Sunwin Mould

Taizhou Huangyan Sunwin Mould Co., Ltd., located in Huangyan, Zhejiang Province — known as the "City of Plastics and Mold" — has been a leader in precision mold manufacturing since 2010. With over 2,000 square meters of factory space and a team of more than 60 professional engineers and technicians, we specialize in high-precision injection molds for global industries.

Our expertise lies in advanced design using CATIA, AutoCAD, and Moldflow simulation software, ensuring optimal gate design, structural integrity, and cycle efficiency from the earliest stages.

2010
Founded
2000+
m² Factory Area
60+
Engineers & Technicians
20+
Years Experience
Factory Floor

Our Capabilities

From concept to delivery, we offer end-to-end mold engineering and manufacturing services with a focus on innovation, quality, and speed.

Design & Engineering

Utilizing CATIA, AutoCAD, and Moldflow for simulation-driven design. We optimize mold structure, gate type, cooling channels, and ejection systems before production begins.

Mold Manufacturing

Equipped with high-speed CNC, EDM, WEDM, carving machines, grinders, and conventional milling centers to ensure micron-level precision and surface finish.

Plastic Injection Molding

In-house injection molding workshop allows us to validate mold performance and deliver fully tested prototypes and production parts.

Project Management

Dedicated project managers ensure seamless communication, timeline adherence, and full transparency from RFQ to delivery.

Quality Control

Strict QC protocols including dimensional inspection, material testing, and mold trial validation to meet international standards.

Gas-Assisted Molding

Over 20 years of experience in gas-assisted injection molding for complex hollow parts, reducing sink marks and improving structural integrity.

Our Products

We manufacture high-precision molds for a wide range of industries, including automotive, medical, packaging, and industrial applications.

Automotive Instrument Panel Mold

Automotive Instrument Panel Mold

High-precision molds for dashboard assemblies with complex geometries and integrated air vents, designed for long service life and minimal maintenance.

Automotive Bumper Mold

Automotive Bumper Mold

Designed to prevent tiger skin patterns, weld lines, and sink marks. Optimized for surface reproduction and structural strength.

Gas Assisted Mould

Gas-Assisted Mould

Specialized in gas-assisted injection for hollow parts like center consoles and handles. Reduces material usage and improves part rigidity.

Automotive Handle Mould

Automotive Handle Mould

Precision-engineered for interior and exterior door handles with excellent surface finish and durability.

Medical Plastic Injection Mold

Medical Plastic Injection Mold

Cleanroom-compliant molds for syringes, housings, and diagnostic devices. Meets ISO 13485 and FDA standards.

Packaging Mold

Packaging Mold

High-cavitation molds for caps, containers, and closures. Designed for fast cycle times and long mold life up to 3 million shots.

Automotive Grille Mould

Automotive Grille Mould

Complex molds for front-end grilles with fine detailing and high-gloss finishes. Optimized for airflow and aesthetic precision.

Industrial Mould

Plastic Industrial Mould

Durable molds for enclosures, housings, and technical components used in machinery, electronics, and automation systems.

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20+
Years Experience
60+
Engineers
2000+
m² Factory
3M
Mold Life

Frequently Asked Questions

Do you make molds for many automotive parts?

Yes, we manufacture molds for a wide range of automotive components including front and rear doors, bumpers, grilles, instrument panels, interior trims, and parts with or without speaker mesh.

Do you make molds for automotive lamp parts?

Yes, we produce precision molds for automotive lighting systems, including headlamps, taillights, and signal assemblies with optical clarity requirements.

Do you have injection molding machines to produce parts?

Yes, we operate our own injection molding workshop, allowing us to validate mold performance, conduct trials, and produce small to medium batch runs.

What design formats do you accept?

We accept 2D/3D files in DXF, DWG, PRT, SAT, IGES, STEP, and other standard formats. We can also reverse-engineer from physical samples.

Get in Touch

Ready to start your next mold project? Contact us today for a quote or technical consultation.

Phone: 0086 13957617816

Email: sales@sunwinmold.com

Address: No. 1 Beiyuan Avenue, Huangyan, Taizhou City, Zhejiang, China

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