Zhang chunhong, a legal person representing the zhang city market supervisory authority, has a general scope of operation: sale of packaging materials and products; sale of food in plastic packagings; sale of chemical products (other than licensed chemical products); sale of plastics; manufacture of plastics; sale of oil ink (other than hazardous chemicals); sale of high-performance non-ferrous metals and alloyed materials. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)