In guangzhou city, the registration address is located at no. 16, huangmura, tianhe district, guangzhou city (part: 4th floor, b building, 4229). The registration authority is the market supervision authority of the tianhe district of guangzhou city, represented by legal persons and including the distribution of chemical products (except for dangerous chemicals); the sale of chemical reagents and aids (for controlled chemicals, except hazardous chemicals); the sale of packaging materials; the retail sale of chemical products (except for dangerous chemicals); the extension of new materials technology services; the development of new materials; technical advice, exchange services; the transfer of new materials; the transfer of new materials; scientific research of materials; the development of technology; the wholesale trade of goods (except for licensed goods); the retail trade of goods (for licensed goods); and the research services for chemical engineering