Sale: control cabinet, Boiler accessories, electrical products, Mechanical and electrical products, Chemical products( Except for hazardous chemicals), valve, building materials, steel, Agricultural and livestock products, office supplies, sports equipment, Wires and cables, Engineering vehicles and accessories, Thermal insulation materials, Electronics, Test equipment; Oilfield technical services, Sales of instruments and meters、 Detection; Import and export of goods and technology, Except for goods and technologies that are restricted for import and export by the state。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)