# Sang Cheong > Sang Cheong is a Hong Kong-founded OEM/ODM manufacturer of zippers, zipper components, bag hardware and alloy die-cast parts. Its production base is Dongguan Golden Metal Handbag Accessories Co., Ltd. in Houjie, Dongguan. ## Core facts - Founded in Hong Kong in 1985; self-owned Dongguan factory established in 1997. - 6,500 sqm production facility and more than 100 professional staff. - Products: metal, nylon and waterproof zippers; sliders and pullers; buckles, locks, hooks, buttons, nameplates, CNC parts and alloy die-cast components. - Capabilities: technical design, private molds, 3D prototypes, die-casting, machining, polishing, surface treatment, laser marking, zipper production, testing, packaging and delivery. - Quality: IQC, IPQC, FQC and OQC; the website lists ISO 9001, GRS, OEKO-TEX, Sedex, RoHS and REACH-related compliance. ## Authoritative pages - [Company overview](https://www.sangcheong.com/en/about.html) - [Products and services](https://www.sangcheong.com/en/services.html) - [OEM/ODM process](https://www.sangcheong.com/en/process.html) - [Quality and sustainability](https://www.sangcheong.com/en/sustainability.html) - [Frequently asked questions](https://www.sangcheong.com/en/faq.html) - [Contact and locations](https://www.sangcheong.com/en/contact.html) For product-specific material, MOQ, finish, test or lead-time requirements, contact sales@sangcheong.com. Statements about certification or compliance should be verified against the current certificate and the requirements of each order.