Jiaozuo Commercial FineWin Co., Ltd was established in 2016, the former company called Light-materials Co., Ltd, was built in Hongkong in 2009. The company begin with the production of semiconductor wafers which supplly sapphire substrates with all specifications, 2" to 6" Silicon wafers, 2" & 4 GaN templates as well as 2" free-standing GaN substrates, silicon carbide wafers. Along with the development of technology and the increasing international requirements, from 2017, the company is able to further supply piezocrystal and optical and laser crystal like TeO2, KTP, LiNbO3, LiTaO3. All products are widely used in LED industry, Lasers industry, Acoustooptic device, etc.Because of long-term dedication in the industry, Commercial Finewin have built up a mutual-benefit relationship with all factories and customers. We are able to supply one-stop service in semiconductor wafers including sapphire wafers, Silicon wafers, GaN templates and free-standing substrates, silicon carbide wafers and acousto-optic electromagnetic crystal materials, photoelectric substrates, photoelectric bulk crystals.The members of Commercial FineWin are researchers and marketing managers who had worked in mother company for more than 10 years. Experienced management and sale men are hired from outside helping to establish a complete sales management system.Besides the first-class products, Commercial FineWin focus on customer service. The efficient and direct communication with our engineers allow us to give you a timely and effective reply whenever you have any question, which is also the key factor for the company success.Now, Commercial FineWin has all overseas clients in USA, Europe and Asian countries, including University, Research Centers and Hi-tech enterprises.Commercial FineWin welcome all inquiries from worldwide researchers and clients.