Zhang Jia Gang Bao Shui Qu Kai Li Te Hua Gong You Xian Gong Si

General items: sales of chemical products (excluding licensed chemical products); sales of special chemical products (excluding hazardous chemicals); sales of new catalytic materials and additives; sales of laboratory analytical instruments; sales of plastic products; sales of rubber products; Internet sales (except for the sale of goods that require a license); domestic trade agency; research and development of new material technology; import and export of goods; import and export of technology (except for projects that must be approved according to law, business activities can be carried out independently in accordance with the law with a business license)