Daqing Oilfield Longfeng Industrial Co., Ltd.

ADDRESS:No. 6, West Street, Honggang District, Daqing City, Heilongjiang Province

BUSINESS SCOPE: Prefabricated concrete components, oilfield additives, surfactants, architectural coatings (the above three items do not contain hazardous chemicals, flammable and explosive materials and highly toxic drugs), cement products, metal pipe fittings, plumbing equipment, construction machinery, petroleum Drilling and production special equipment and accessories, mechanical seals, stretched metal mesh, downhole tools, stainless steel products, doors and windows, electric control equipment, fences, power distribution cabinets, screw pump frequency conversion control cabinets and driving devices, pumping unit frequency conversion and servo Production and sales of control cabinets, rubber products, screw pumps, anticorrosive insulation pipes, environmental protection equipment; mechanical processing; pumps and accessories processing and maintenance; cranes, transmission line towers, power fittings (non-standard fittings) manufacturing; bridge cranes, doors Installation and maintenance of mobile cranes; repair and maintenance of mobile cranes; installation and sales of water treatment equipment; pressure vessel installation; automobile repairs; Maintenance of frequency converters, refrigeration equipment, hydraulic equipment, engineering machinery, generator sets, motors, and transformers; professional repair of oil drilling equipment and gas compressors; research and development, manufacturing, and sales of frequency converters; oilfield technical services; oilfield special microorganisms Product production and technical services (excluding dangerous chemicals, flammable and explosive products and toxic drugs); professional cleaning services for pressure pipelines and mechanical equipment; auxiliary services for oil and gas exploitation; Mechanical power generation technical services; conference and exhibition services; commuter vehicle services; security system monitoring services; road general cargo transportation; import and export business; property management; lease of houses, venues, and own land; lease of counters; lease of machinery and equipment; binding and Printing-related services; advertising production; solid waste treatment services; metal surface treatment; technical services for environmental protection engineering construction and sludge treatment; sewage treatment and recycling; hazardous waste treatment; technical services for oil and natural gas exploitation; greening maintenance services ; Seedling cultivation and sales.

E-MAIL:longfengshiye@126.com;longfnegshiye@126.com