Shanghai Biem (BM) Optical Instrument Manufacturing Co., Ltd. is the successor of Shanghai Optical Instrument Factory (Shangguang), an enterprise with 50 years of optical instrument manufacturing. Based on the mature mechanism reform and the entry into WTO to adapt to the new concept of international market development, BM Company was optimized and formed. BM has gathered the older generation of engineers and technicians who have been engaged in optical science and technology development for more than 40 years, and has many years of experience in cooperating with foreign counterparts such as Germany, Japan and Russia. With strong technical force, it is the deepening and continuation of the old "glazing". With a modern scientific management system of optical, mechanical, electrical, intelligent integrated optical instrument manufacturing professional enterprises.