... Tianjin port and Jingtang port. Our main products include:Shipbuilding Angle steel,Hot rolled I Beam, IPE,IPEA,IPEAA,Hot rolled H ... specifications:1.Item :hot rolled unequal angle steel;2.Material: Q235,Q345,Q195;SS4003.Size of angle:45*30mm-200*150mm4.Length: 5.5m ... if the buildings are bulit by this kind of angle steel.5.Shipbuilding use6.Other fields of construction Sizes as follow:75*50*(6 ...