The registered address of Shanghai Optical Instrument Sixth Factory is Room 1301, No. 2500 Siping Road, Yangpu District, Shanghai. The registration authority is Yangpu District Market Supervision Administration, and the legal representative is Han Leyan. The business scope includes optical instruments, components, spare parts, electronic optical device manufacturing, processing, technical services, technical consulting, technical development, technology transfer in the field of optical instrument technology, as well as computer software development and sales. Projects that require approval by law must be approved by relevant departments before conducting business activities