ChangZhi HongYuan Wafer Scietech co,.ltd is based on Shenzhen Epistone Comp-Semi Materials Inc. , we designs, develops, manufactures and distributes high-performance compound semi-conductor single crystal substrates. We are one of the leading suppliers of Epi-ready Sapphire wafer, GaAs wafer, InP wafer, and Ge wafer in the world. We also reclaim sapphire and GaAs wafers.

Our headquarter is located in California, USA, and the main production facility is in Shenzhen, China. Our management team and R&D team came from Silicon Valley , California. They possess rich working experience of comp-semiconductor industry.

With the economy globalization, quality and price of the products play a very important role during the competitions. We are here to help you achieve your goal. We use the latest technology to manufacture high quality products with competitive price. With our company quickly expanding, our customers have been speed all over the world. We constantly looking for better ways to serve our customers, and our technical support and sales departments are able to speak in English and Chinese.

High quality products, quickly responding to requests, satisfied customer service have made Epistone a leader of Comp-Semi Materials industry.