The registration address of the company is sisansheng village, guangan township, kangang township, mangang township, hebei province. The registration authority is the grand town county market supervision authority, represented by a legal person, chen yana, and its operations include the processing of mechanical parts. Processing and sale of: mechanical accessories, valves, instrumentation meters, tightware, moulds; technical development, design of mechanical parts; sale of mechanical equipment, electronics, instrumentation accessories, thermostats, nails, plastics; import and export of goods, import and export of technology, import and export of technology, import and export of agents. (projects subject to legal approval may not operate without the approval of the relevant department)