The registration address of yi xian city crystal optical instruments ltd. Is at no. 345 south road in yi xing city and hashi city, with the registration authority of the city administration authority, represented by the legal person o sheung, and covers the manufacture and sale of beacon, optical components, glass products, analytical instruments, laboratory instruments, laboratory equipment; import and export of self-employed and proxy goods and technologies (except goods and technologies for which the state limits business operations or prohibits import and export). (projects subject to legal approval may not operate without the approval of the relevant department)