... ,Q345,A53,A36,SS400,SS330,ST37-2,08YU, Technical: welded:longitudinal welded,SSAW ApplicationConstruction structure,furniture,shipbuilding,petroleum,Power,gas metallurgyPackageHex bundle ... located in Tianjin Industrial Park, Daqiuzhuang. Our factory area is 6500 square meters. We produce welded pipes, galvanized pipes, spiral pipes, square ...