The registration address of the company is at 200 metres south-west of east china street and east ribbon road, kochang city, hebei province. The strong county market supervision authority, represented by a legal person, zhang chonghui, operates in such a way as to include the manufacture of specialized equipment for environmental protection. Sale of specialized equipment for environmental protection; manufacture of fibreglass enhanced plastics; sale of fibreglass enhanced plastics; manufacture of pumps and vacuum equipment; sale of pumps and vacuum equipment; manufacture of general-purpose equipment (excluding special equipment); repair of general-purpose equipment; manufacture of gas, liquid separation and pure equipment; sale of gas, liquid separation and pure equipment; treatment of sewage and its reuse; management of water pollution; manufacture of pressure-powered machinery and components; sale of pressure-powered machinery and components; management of atmospheric pollution; sale of mechanical parts, parts and components; sale of electronic vacuums; manufacture of metal products; sale of metal products; sale of non-metal mines and products; sale of metal structures; sale of construction materials (without sand and stones); installation services for general machinery equipment; construction professional operations; outsourcing works; construction works; construction services; construction technical services, technical development, technical advice, technology exchange, technology transfer, technology promotion. (projects subject to legal approval may not operate without the approval of the relevant department)