South thongsong chemical industries ltd. Is registered in room 1303, east sansha building, north korea new century avenue, new technologies development area, south china, with registration as the administrative approval board for the new technologies development area in south china, with legal representatives zhang kiu ying, and operates in a range of licensed projects: operation of hazardous chemicals (projects subject to legal authorization and subject to the approval of the relevant departments, specific operations are subject to approval results); general projects: sale of chemical products (other than licensed chemical products); sale of specialized chemical products (other than hazardous chemicals); sale of synthetic materials; sale of solar heat-use products; import and export of goods; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; import and export of technology (in addition to projects subject t...