The registered address of sanctuary coal machinery ltd. Is located at the xiangjo industrial park in zinin district, shandong province, with the registration authority of chen xianzhou district market supervision authority, represented by the legal person chen xianxian, and covers the processing and development of mineral safety protection equipment, mine doors, alley support tools and construction materials (other than timber), mine and power plant belt auxiliary operating equipment; the production of mineral orbital equipment, mine machinery equipment and accessories; the production, installation and handling of gaseous equipment, hydraulic equipment and accessories (other than special equipment above), hardware tools, steel, electrical equipment for mining, chemical products (other than dangerous chemicals), and the sale of environmentally friendly equipment; the production, installation and handling of closed doors, blast doors, buffer beds, buffers; and the handling of various mechanical processes. (projects subject to legal approval may not operate without the approval of the relevant department)