... SGSMATERIAL:Q195 /Q215/Q235/ Q345TECHNIQUE:Welded,cold-rolled.SECTION SHAPE:Square or rectangularPACKING:1. In bundle with strip2. ... the customer's requirment.SURFACETREATMENT:1)Black,Pre-galvanized 2)oiled,powder coating3)Galvanized as your requirementUSAGE: Car-making ... pipe, rolling doors, metal frame, support tube, furniture, sports equipment, fence, etcPackage1.bundle 2.in bulk 3.Bags 4.accoring ...