The registration address of the dual-da chemicals limited liability company of changzhou city is located at phoenix hill, east windy village, yooshan bridge, wulong district, with the registration authority being the jiangsu chang county economic development area management board, with legal representation and the scope of operation including licensed projects: operation of hazardous chemicals (subject to the approval of the law, subject to the approval of the relevant authorities, and subject to the approval of the approval), general projects: sale of specialized chemical products (excluding hazardous chemicals), sale of chemical products (excluding licensed chemical products), sale of construction materials, sale of machinery and equipment, sale of warmer materials, import and export of goods, import and export of technology, import and export agents (in addition to projects subject to authorization under the law, operating independently and on the basis of a licence)