Shengli Oilfield Huabin Mechanism Pipe Fittings Co., Ltd., established on 1998-10-09, The business scope includes various types of seamless steel pipes,Elbow,Filled sand control pipe,filling tool,Sealing tool,trap on pump,HBGJ-type oil drainer,Petroleum machinery,Oil production tool accessories,Manufacture of wellhead anti-theft box,processing,repair,Installation and sales(Does not contain smelting);sucker rod,Hollow sucker rod,Tubing inspection and repair;Automatic dosing device(Oilfield),Production of multi-functional ultra-fine water treatment device,Installation and Maintenance;energy saving technology;Well workover;Tubing and its couplings,Casing and its couplings,Insulated oil pipe and its coupling,Sucker rod and its coupling,Hollow sucker rod and its coupling,pumping unit,Processing of oil well pump,repair,production and sales(without pressure piping);Processing and sales of tin prefabricated houses;to drill,Production and sales of completion tools;Laser cladding oil pipe and its coupling,Wrapped sucker rod and its coupling,Production and sales of lined tubing;Internal and external anti-corrosion oil pipe,casing,Surface pipeline production and sales;Anti-corrosion,Insulation engineering construction;Recycling of renewable resources;Application of air source heat pump and supporting equipment,Installation and Maintenance;Valve production and maintenance;oil field tank(without pressure vessel)Production and sales;Production and sales of socket-type buckle-type steel pipe brackets;Class I Motor Vehicle Maintenance(Large and medium bus maintenance;Large and medium truck maintenance;Small Vehicle Repair)(The validity period is subject to the license);car(Passenger cars with less than nine seats are not included),tractor,motorcycle sales;Oilfield equipment maintenance;pump accessories,exhaust pipe,silencer,Sales of batteries and auto parts;oil well,Line Cleaning;pump production,Sales and Repair;boiler installation,Repair and Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)