Sang Cheong Dongguan manufacturing facility

One-stop OEM/ODM
Zipper & Bag Hardware Manufacturing

Founded in Hong Kong in 1985, Sang Cheong works with Dongguan Golden Metal’s self-owned factory to integrate R&D, mold making, die-casting, processing, zipper production and quality testing.

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Our Professional Expertise

From zippers and pulls to die-cast bag hardware, we support brands, trading companies and cross-border businesses with manufacturable, customizable and testable one-stop solutions.

Various types of zippers including metal, nylon and waterproof 01

Zipper Series

Metal zippers, nylon zippers, waterproof specialty zippers, custom sliders, pulls and zipper plates for bags, apparel, footwear and outdoor products.

Precision metal hardware fittings and accessories 02

Bag Hardware Die-casting

Buckles, belt buckles, locks, hooks, buttons, metal nameplates, alloy die-cast parts and CNC precision components.

Creative custom trims and accessories for fashion brands 03

OEM/ODM Custom Solutions

Mold development, 3D prototyping, electroplating, laser logo marking, style customization, packaging and full-process project support.

1985
Established
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Years of Excellence
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sqm Dongguan Factory
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Professional Staff

Our Brand Story

An integrated chain from mold to finished goods

Dongguan Golden Metal is equipped for mold processing, precision die-casting, polishing, zipper production and professional testing, supporting new product development, private molds and stable bulk delivery.

Factory
Self-owned factory

Built in Houjie, Dongguan in 1997 to support export orders and long-term supply partnerships.

Team
Professional team

R&D, production, QC, merchandising and delivery teams work together for faster response.

QC
Quality control

IQC, IPQC, FQC and OQC cover incoming materials, production, finished goods and shipment.

OEM/ODM
Full-service manufacturing

From design, sampling and tooling to surface treatment and bulk delivery.

Born from Craft,
Driven by Innovation

Sang Cheong was founded in Hong Kong in 1985 and established a self-owned standardized production facility in Houjie, Dongguan in 1997. Dongguan Golden Metal Handbag Accessories Co., Ltd. acts as the production base for zippers, sliders, bag hardware and alloy die-cast components.

As an integrated manufacturer covering R&D, mold making, die-casting, surface treatment, zipper production and quality testing, we provide full-process OEM/ODM customization services.

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Sang Cheong brand heritage and craftsmanship history

Excellence You Can Trust

Our products undergo rigorous testing — from durability to design detail — meeting international quality standards.

Internationally Certified Quality

Quality and compliance requirements are verified according to product materials, testing needs and each customer order.

ISO 9001, Global Recycle Standard GRS, and Sedex certifications

Let's Create Excellence Together

Partner with us to bring your design vision to life with precision and quality.

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