Heng dynamite plastics limited, inc., is registered at the wang yi town industrial district in hebei province. The registration body is the city's market supervision authority, represented by liu yuan, and operates on the basis of the production and sale of rubber products, metal products, polyurethane products, plastics, metal hoses, compensatory devices, conveyance belts, oil mechanical accessories, high school low pressure rubber tubes and totals, hydraulic pump stations, hydraulic cylinders and finished, metal links, sealed packages** (projects subject to the approval of the law and subject to the approval of the relevant department)