The registration address of zhengzhou's sing mau business and trade company limited is located at the d2-23 level in the storage building no. 88-1 of the western four ring, central district of zhengzhou, henan province, with the registration authority being the market supervision authority of zhengzhou city, with the legal representative of yang ying dove, operating in the following areas: chemical products (other than hazardous chemicals, other than controlled chemicals, other than toxic chemicals), chemical instruments, construction materials, electronics and office supplies. (national laws and regulations prohibiting operations; national laws and regulations require approval and do not permit operations)