The registration address of the company is at no. A05, no. 50, sun-hing 4nd industrial district, grande luong community, grande dang town, dong chong city. The registration authority is the market supervision authority of dong-hung city, represented by liu zhiyong, and operates in the following areas: semiconductor silicon tablets, crystal silicon and its products, optical materials, optical parts and components, dustless materials, metal materials, electronics and their materials, integrated circuits, instrument meters, mechanical and electrical equipment and related consumables; import and export of goods or technologies (except for goods and technologies whose import and export are prohibited by the state or which involve administrative authorization). (projects subject to legal approval are not allowed to operate without the approval of the relevant authorities) i'm not sure