The registration address of the city of quizai mechanical and electronic equipment limited is located on the first floor of building c, building 12, no. 19, harmonious avenue, economic development zone, hebei province. The registration authority is the market supervision authority of the city of zhuang economic development zone, represented by a legal person, and includes the manufacture of mechanical and electrical equipment, mechanical parts and components for mining purposes; and the sale, maintenance of other mechanical equipment and electronic products. (projects subject to legal approval may not operate without the approval of the relevant department)