... material parameters: stand feet, plate are imported SPCC cold rolled sheet, seat can be added a high-quality imitation leather soft ... high quality imitation leather.3,Legs: imported SPCC cold rolled sheet die casting molding, plating surface4,Beam: the high quality triangle ... welding wear . the level of welding point is smooth, no concave-convex spots , flat wire welding , no leakaged welding. All the ...