Welcome to GRE 

We are a leading provider of turn key design, engineering & contract manufacturing services to global customers.

Who we are

GRE Manufacturing is a global OEM/ODM contract manufacturer providing turnkey design & manufacturing services to companies since 1989.


We are a Costco approved manufacturer, with ISO 90001, ISO 14000,  ISO 45001, ISO 13485 certified,and  ISO 16949 compliant factories across China and Vietnam. Our global team - based in Hong Kong, North America, Japan, China and Vietnam - is experienced in a wide range of product areas including power supplies, consumer electronics, medical devices, and electro-mechanical products and magnetic components. 



Product Areas



GRE North America

330 McEverRoad, Building 1

Suite 100, Gainsville, GA 30504

Tel: (770) 538-0630


GRE Hong Kong 

Unit 501, 5/F.

16 Science Park West Avenue

Phase 3, Hong Kong Science Park

Shatin, Hong Kong

Tel: (852) 2423-3332

GRE Japan

Level 21, Shiodome Shibarikyu Building 
1-2-3 Kaigan Minato-ku
Tokyo 105-0022 Japan

Tel: (81)-3-5403-6364

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