The registration address of the city of wu yi is at no. 23 e-dang in the city of zhengzhou, henan province, in the industrial cluster of guo township. The registration authority is the market supervision authority of the city of guo yi, represented by a legal person, and covers the manufacture and sale of: mechanical equipment and accessories; technical services of mechanical equipment; import and export of goods or technology (except for goods or technologies which are prohibited by the state or are subject to administrative authorization)。