SINOSIGMA GROUP LIMITED

Welcome to SINOSIGMA PCB Circuit Board Manufacturer ! SIGMA GROUP LIMITED is a High-tech Professional PCB Manufacturer in China SINOSIGMA PCB Advantage 1. Excellent Quality and Competitive Price ; 2. High Technology Capability: Min: 3mil/3mil trace/space, Min drill: 4mil .up to 30 layers. 3. Fast and timely delivery. 4. Related Quality certification: UL,ISO9001,ISO14001,ROHS,CQC 5. Our PCB are used to : Telecommunication equipment,Electric equipment,Industrial control,Digital,Transportation,Medical instruments,and Led/wireless products field etc. We offer PCB fabrication providing consistent high quality products and affordable prices. Whether your design is simple or complex, SIGMA PCB's Printed Circuit Board Fabrication service is ready to meet your requirements. Please Contact with us, We are sure any of your inquiry will get our prompt attention & reply. Telephone: 86-20-84733959 Fax: 86-20-34836596 Email: sales@chinapcbs.com Skype:joyhold Linkedin: SINISIGMA GROUP LIMITED  &  Becky-Hsu. Whatsapp: 86-13728045288