Lianyungang Liantong Pipe Manufacturing Co., Ltd . Is One Of The Largest Steel Pipe Fitting Manufacturing Enterprise In China.The Annual Output Steel Pipe Fitting Take Over 85, 000 tons In The Fist Stage, At Present, Every Type Of Products From 1/8 "-6" Caliber Are Produced According The Standard Of USA ASTMA733, Germany DIN2982 And DIN2999, British BSEN10241 And Japan JISB2302. Not Only We Can Guarantee The Quality Of Products Material But Also The Price Costing Has Absolute Advantage.