Epistone Comp-Semi Materials Company professionally designs, develops and manufactures compound semiconductor single crystal substrate wafers. We are one of the primary suppliers of Epi-ready Sapphire wafer, GaAs wafer, Ge wafer, and InP wafer in the world. We also professionally reclaim Sapphire GaAs, and Ge wafers.
Our headquarter, R&D and Sales Office are located in Silicon Valley of California, USA; The main production facility and Sales Department are in Shenzhen, China. Most of our management team and R&D team came from the USA. They possess rich working experience in compound semiconductor industry of Silicon Valley, California, USA.
