Tianjin 3087 large-diameter seamless steel pipe plant ☆ the Yingkou 3087 large-diameter seamless steel pipe plant fluent 
 Implementation of standards: GB/T8162-2008, GB/T8163-2008, GB3087-2008, GB5310-2008, GB6479-2000, GB9948-2006, GB5312-2008 
 This company first came to the round bar 3000 t, the material of Q235, Q235B, 16Mn, 20 #, 45 #, 30Mn, 27SiMn, 45CrMo Steel Research 102,30 of CrMo. Tel 022 -26820416 Fax 022 -26821277 E-mail: wwwtjtswy@126.com 
 : Structure, fluid transport, machining, bridge piles tube, high pressure boiler tubes, low and medium pressure boiler tubes, cylinders, hydraulic prop, oilfield, petrochemical, shipbuilding and other industries use steel.