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GuangWei – Expert in Zinc Alloy Die Casting Parts Since 2010
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One Stop Customization Solution For Zinc Alloy Die Casting Parts

As one of the leading custom die casting manufacturer in China, GuangWei provides an integrated solution for magnesium, aluminum, and zinc alloy die casting, covering everything from mold design and manufacturing to precision casting.

 Die Casting Process

1. Mold design

2. Die Casting Process Parameter Setting

3. Die Casting Execution

4. Melting and Pouring

5. Grinding/polishing

6. Inspection and Quality Control

With a strong foundation, advanced equipment, and a dedicated team, GuangWei is ready to support your success in today’s competitive and fast-changing markets.
Custom Product 
Dongguan GuangWei Communication Technology Co., Ltd. is a leading manufacturer of high-precision zinc alloy die casting components, serving the global electronics, communications, and automotive industries. Our zinc die casting process delivers exceptional dimensional accuracy, excellent surface finish, and superior EMC shielding performance, making it ideal for optical transceiver housings, antenna enclosures, server modules, and precision instrumentation parts.
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Product Advantage

We operate a full suite of 5 T to 800 T die casting machines, ensuring we can produce both miniature and medium-size complex parts with tight tolerances.

From mold design and die casting to CNC machining, polishing, electroplating, and automated assembly, GuangWei provides a fully integrated production chain — ensuring faster lead times, lower cost, and unmatched consistency.

Unlike typical suppliers focused only on casting, GuangWei engineers value-added solutions:

Optimized part geometry for thermal dissipation and EMI shielding.
Surface treatment compatibility for nickel, chrome, and color plating.
Precise tolerance control for high-speed optical modules and mechanical connectors.

Every zinc die-cast component is manufactured under IATF16949, ISO9001, and ISO14001 quality systems, supporting global clients such as TE Connectivity, Luxshare, Huawei, and Cisco.
Company Strength

Dongguan GuangWei Communication Technology Co., Ltd. is a professional manufacturer specializing in precision zinc alloy, aluminum alloy, and magnesium alloy die casting, as well as aluminum extrusion solutions.


Since our establishment, we have been committed to delivering high-quality, high-precision, and cost-effective metal components to customers worldwide. With strong engineering capabilities, advanced production equipment, and a dedicated team of over 286 employees, GuangWei has become a trusted partner for global leaders in the communication, data center, automotive, and electronics industries.

Company Establishment
286
We have a professional team
68
Sold to 68 countries worldwide
Factory 20,000 square meters
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Factory View

We own more than 30 die casting machines ranging from 5T to 400T, complemented by centralized melting furnaces, CNC machining centers, automated deburring and punching equipment, welding lines, and CCD automatic inspection systems. 

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Our Partners
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Certificate of Honor
Quality is the foundation of GuangWei. We operate under a comprehensive quality management system and have obtained IATF16949, ISO9001, and ISO14001 certifications.

Our quality control team uses advanced measurement equipment such as CMM (Coordinate Measuring Machines), X-ray inspection, and precision gauges to ensure every product meets international standards. From raw material selection to final inspection, strict procedures are followed to guarantee precision, durability, and reliability.
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Contact Us To Get Competitive Price
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