Custom Service

GuangWei – Expert in Precision Die Casting and Advanced Metal Craftsmanship

sales@gwdiecasting.com +86 133 7775 7142

Overall Service Introduction

Dongguan Guangwei Communication Technology Co., Ltd. is a professional precision die casting and machining manufacturer, integrating zinc, aluminum, and magnesium alloy die casting, mold design, CNC machining, and surface finishing into a complete one-stop solution.

We own more than 30 die casting machines ranging from 5T to 800T, complemented by centralized melting furnaces, CNC machining centers, automated deburring and punching equipment, welding lines, and CCD automatic inspection systems. Our 20,000m² modern factory, together with advanced quality management systems (ISO9001, IATF16949, ISO14001), ensures stable and reliable mass production.

With over a decade of industry experience, Guangwei serves leading companies in telecommunications, data centers, AI, automotive electronics, medical, defense, and consumer electronics. Our long-term partners include Cisco, TE Electronics, Luxshare, among others, reflecting our proven track record in precision structural components.

We are committed to providing end-to-end services, from mold design to final delivery, enabling customers to reduce development time, improve product reliability, and achieve competitive advantages in their markets.

Custom Service

From 5T to 800T

30+ die casting machines ranging from 5T to 800T

Precision Zinc Alloy Die Casting

>> Service Content

We operate multiple zinc alloy die casting machines ranging from 5T, 15T, 30T, 88T, 160T to 800T, capable of producing miniature precision parts to medium-sized structural components, mainly with Zamak alloys.

>> Advantages

High dimensional accuracy conforming to GB/T14846-1993;

Excellent surface finish, suitable for plating and coating;

Extensive experience in telecom, connectors, and consumer electronics, with Long-term supplies to Cisco, TE Electronics, Luxshare.

>> Process Flow

Mold design → Alloy melting → Die casting → Deburring → Quality inspection → Packaging & shipment.

Precision Aluminum Alloy Die Casting

>> Service Content

We operate aluminum alloy die casting machines from 180T-800T, working with materials such as ADC12 and A380. Suitable for medium-to-small structural components widely used in telecom housings, automotive parts, and electronic enclosures.

>> Advantages

Excellent thermal conductivity and heat dissipation;

High strength-to-weight ratio for reliable components;

Compliance with RoHS and REACH standards.

>> Process Flow

Mold design → Melting & degassing → Die casting → Heat treatment (optional) → Machining → Inspection.

Precision Magnesium Alloy Die Casting

>> Service Content

We operate magnesium alloy die casting machines from 150T-500T, using alloys such as AZ91D and AM60B. Mainly producing lightweight components for laptops, smartphones, and optical module housings.

>> Advantages

Low density, achieving significant weight reduction;

Excellent electromagnetic shielding, ideal for high-speed telecom and electronics;

High specific strength, suitable for structural and thermal parts.

>> Process Flow

Mold design → Protected alloy melting (SF₆/CO₂ or alternative gases) → Die casting → Post-processing → Inspection.

Mold Design & Manufacturing

>> Service Content

We have an in-house mold design team, using UG, Pro/E, and AutoCAD for modeling, and equipped with CNC, EDM, and grinding machines for efficient mold fabrication.

>> Advantages

Mold-flow analysis reduces trial runs and improves efficiency;

Long service life molds suitable for mass production;

Extensive experience in complex precision component development.

>> Process Flow

Requirement analysis → Design → Mold-flow analysis → Tooling fabrication → Trial run & optimization → Delivery

Surface Treatment & Post-Processing

>> Service Content

We provide a full range of post-processing services including sandblasting, polishing, plating, coating, anodizing, and laser engraving, ensuring both aesthetics and functionality.

>> Advantages

Meets requirements for EMI shielding, heat dissipation, and appearance;

Improves corrosion resistance and coating adhesion;

Compatible with different alloy components and customer demands.

>> Process Flow

Pre-treatment (cleaning/degreasing) → Surface finishing (sandblasting / plating / coating / anodizing, etc.) → Inspection (appearance / thickness / adhesion) → Packaging.

Process Options

Sandblasting / Shot blasting

Improves adhesion and creates uniform texture

Polishing / Buffing

Achieves smooth or mirror-like finishes

Plating (Nickel, Chrome, etc.)

Provides wear resistance and decorative effect

Anodizing (for aluminum parts)

Enhances corrosion resistance and appearance

Powder Coating & Spray Painting

Durable coatings with customizable colors

Laser Engraving & Marking

High-precision logos, identification codes, or decorative patterns

Production Process

Die-casting workshop

mold workshop

Mold parts processing workshop

laboratory

Sandblasting workshop

Back-end processing workshop

Soldering workshop

FAQ

Can I request samples of die-cast parts?

Yes. We provide free samples for evaluation, but the courier cost should be borne by the customer.

What materials do you specialize in?

We focus on zinc alloy, aluminum alloy, magnesium alloy die casting, as well as aluminum extrusion. Our products are widely used in optical transceiver housings (SFP, QSFP, OSFP, etc.), communication devices, and precision structural components.

What quality certifications do you hold?

Our factory is certified with IATF16949, ISO9001, and ISO14001. We also follow strict quality standards required by our international customers.

What industries do you serve?

We supply high-precision die-cast parts to industries such as telecommunications, data centers, automotive, consumer electronics, industrial equipment, and aerospace-related applications.

What is your typical lead time?

Mold development usually takes 30–45 days. Samples can be provided in 4–6 weeks, and mass production typically requires 6–8 weeks, depending on order volume.

Do you offer OEM/ODM services?

Yes. We support both OEM and ODM projects, from custom mold design to full-scale production.

How do you ensure product quality?

We have a professional quality team (25+ personnel) equipped with advanced measurement tools (CMM, calipers, X-ray inspection). Each batch undergoes strict incoming, in-process, and final inspections.

Can you provide surface treatments?

Yes. We offer a variety of surface finishing options, such as powder coating, electroplating, anodizing, painting, and polishing to meet customer requirements.

Who are your major customers?

We are proud to serve well-known companies such as Tyco Electronics, Luxshare, and Cisco, and we continue to expand partnerships with leading technology enterprises worldwide.

Do you support small trial orders?

Yes. We welcome trial projects and prototype runs. This allows customers to validate designs before moving to large-scale production.

Get In Touch With Us

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Guangwei is a professional precision die casting and machining manufacturer, integrating zinc, aluminum, and magnesium alloy die casting, mold design, CNC machining, and surface finishing into a complete one-stop solution.

LINKS

DIE CASTING PARTS

Sales Manager: Brian Ding

+86 133 7775 7142

sales@gwdiecasting.com

www.gwdiecasting.com

No. 3, Shangzhen 2nd Road, Shangjiao Community, Chang’an Town, Dongguan, China.