The registration address of changzhou co-choctor limited is 7 2207 smo business square, new north, changzhou city. The registration authority is the administrative approval board of the changzhou state high technology industrial development area (nan north region), representing xu wenli, and operates on chemical raw materials and products (which are operated under a dangerous chemicals operating licence involving dangerous goods), rubber products, ordinary machinery, chemical equipment, general equipment, instrumentation forms, electronics, building materials, decorative materials, computers and accessories, computer software, metal materials, needle textiles, clothing, footwear, gold gold, electricity, labour safety items, sales of daily department goods, import and export of goods and technologies of various kinds, including those restricted to companies or prohibited by the state. (projects subject to legal approval may not operate without the approval of the relevant department)