Oil drilling technology development and services,Sales and maintenance of water treatment equipment, Waste material recycling; Pipeline cleaning; cleaning services; Import and export of goods; Processing、 Sale: Pumping units and accessories, Oil pump, Oil drilling equipment and accessories, Mechanical equipment and accessories, rubber products; Pump sales and repair; Cleaning Services; Sale: Electronics, Chemical products( Does not contain dangerous goods or highly toxic substances), Instruments, Hardware products, furniture, Home appliances, Clothing, shoes and hats, valve, Industrial and mining accessories, Auto Parts, agricultural machinery, Knitted textiles, office supplies, Building Materials, Metal products, plastic products, steel, lighting equipment, Firefighting equipment, Daily necessities, stationery, sporting goods, Kitchen and bathroom appliances, Computers and auxiliary equipment, Communication terminal equipment, Diesel engine parts。