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subordinate enterprise of Allland group, is a leading manufacturing, stock and international company in North of China. The factory specializes in the production of LSAW steel pipe especially large diameter, thick wall LSAW ( DSAW) steel pipe, with annual production ability 300000tons.

             Our factory has advanced JCOE production lines to manufacture national standard GB9711, API SPEC 5L, EN10219, ASTM steel pipe products etc. The Size scope is from OD 406mm- OD 1524mm LSAW steel pipe. Wall thickness scope from 7.62mm to 50mm.We also configure automatic control system and on-line quality inspection system, fully with physical and chemical inspection, nondestructive Inspection, hydraulic pressure inspection, Metallographic and physical Analysis to ensure the quality for each order. We successively granted with ISO9001 quality management system, ISO14004 environmental management system, OHSAS 18001 occupational health and safety system, API5L (American Petroleum Institute), CE (PED)EN10219,EN10217 certificate and also China pressure pipeline manufacturing license (A1).And our coating factory covers an area of 60000 square meters, with three international advanced  anti-corrosion production line. Our anti-corrosion coated layers are (FBE) and double fusion bonded epoxy powder (2FBE)external and internal, double layer of polyethylene (2LPE) and a three layer of polyethylene (3LPE),3LPP,etc. comply to the standard of DIN30670, DIN30671, SY/T0413-2002, SY/T0135-2000, Q/CNPC38-2002, SY/T0457-2000,etc. our annual production capacity is 4000000 square meters.

       Our company also in charge of attending various tenders for international oil field and construction projects, on behalf of Allland group and some other factories.
We can also supply you the different kind of pipe fittings: Carbon steel, Alloy steel and stainless steel Seamless pipe butt weld fittings , such as Elbow/tee/reducer/cap/stud ends, couplings, Socket weld, thread forged fittings, such as  Elbow, tee, nipple, boss, bushing, plug, union, couplings. Material and standard of ASTM A234WPB, ASTM A105,ASTM A860, ASTM A213, ASTM A335, ASTM A420, ASTMA182,ANSIB16.9, ANSI B16.28, ANSIB16.25, DIN2634/2635,ANSI B16.11, ANSI B1.20.1 
Large size butt welded pipe elbow, tee, and reducer. Large size forged WNRF flange, WNFF flange, SORF flange, SOFF flange, blind flange, Plate flange, SW flange, Long neck flange, thread flange, RJT flange and other special flanges as per drawings.
Our high pressure hydraulic bending machine is newly and advanced introduced; it can make the alloy steel seamless pipe elbow A355 P22 of 1121mm*100mm.
Our butt welded pipe elbow can reach the size of 1620mm.
With market development, Ausin pipeline involved in SSAW pipe mill, seamless pipe mill cooperation expanded its scale. The SSAW pipe mill has finished many national projects in the world. And Up to now, the seamless pipe mill have Φ100mm,Φ180mm steel pipe perforation lines, heating furnace, continuous annealing furnace, 100KN-1500KN chain style cold drawn machine, straight machine, beveled ends machine and two production line of making oil casing pipe couplings of LTC,BTC and other specials. The Size scope is from OD 12mm- OD 820mm cold rolled, cold drawn, hot rolled and hot expanded SMLS steel pipe.
Our product is sold well in domestic market and international market. They had been distributed to North of China oil field, Sinopec, CNPC, CNOOC, CGHOF.
Our products also widely used in Asian, South America, Europe, Africa, and middle east in project of conveying oil, gas, water, oil development, fire protection, buildings, machinery, chemical engineering, steam heating, Mining Engineering, boiler, electrical factory and Seaside Construction.
With 30years experience in the pipe industry and ten engineers from our group, we can provide the supply, installation  and technical service for the ERW pipe mill, SAW pipe mill,3LPE,FBE coating mill equipments ,Pipe bending equipments, pipe cutting machines and other machines related pipe lines.
Honesty and trustworthiness; let every customer be satisfied, let workers be satisfied, let the society be satisfied as our culture spirit; We company carry out responsibility contracting to develop business and supply our best service, sincerely hope all friends domestic and overseas cooperate with us for mutual benefit and serve for the society.