1. Greattong is a professional manufacturer in doing PCB layout, PCB fabrication, PCB copy, PCB assembly, SMT, and PCB OEM/ODM etc. All the products are approved by UL, SGS, TS, RoHS standards. They are widely used in the area of car, communication, medical, industrial control instrucement and other digital products such as camera and cell phone, notebook etc.

2. Our quality system get through the certification of ISO9001: 2000, ISO16949: 2002, ISO14001: 2004.

3. With high quality and competitive price, we are looking forward to establishing business relationship with customers from home and aboard sincerely.