SIGMA SYSTEMS CO LTD

Sigma systems co. Ltd. Was established in 1997, supplying computer memory SDRAM and DDR as the main products very beginning. Due to increasing demand from customers different market trend, we gradually expand our product portfolio business scope. Now, sigma has become a professional USB ...

Telephone：886-2-87805549Address：RM. 4A-21, NO. 5, HSIN-YI RD. SEC. 5,