Bitcoin PCB Circuit Board Manufacturing

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.

If you have any PCB orders or inquiry, 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.