Liche Opto Group Co., Ltd was founded in 1989, we are a manufacturer who is specialized in the production of Optical Materials, including Calcium Fluoride, Magnesium Fluoride, Barium Fluoride and other Fluorides, High Purity Aluminum Oxide, Silicon Dioxide, Rare Earth Oxides, Rare Earth Fluorides, High Purity Inorganic Salts and Polishing Powders, etc.We adhere to the way of scientific research and development over the years, increasing the investment of science research. We have 42 independent intellectual property rights till now. With solid backing by Hebei University, Beijing Technology and Business University, Tsinghua University and National Engineering Research Center of Rare Earth Materials(REM), we get much information and technical support from them, and laying a solid foundation for the research and development of new products.Welcome to contact us for any requirement or question, we will give you a professional service. Looking forward to cooperation with you!