Prefab House, Container House, Folding House manufacturer / supplier in China, offering Galvanized Steel Angle Unequal Angle Bar 100X75X8mm DIN 1028 GB Atsm Heavy Duty for Frames, Angle Bar 30X30X3mm JIS G3101 Ss400 S355jr S355jo Construction Grade, Factory Supply 2*2 Angle Line Structural Steel Equal Angle Bar ASTM A36 A53 Cold Rolled L Shape Steel for Buildings and so on.