Square tube and Rectangle steel tube;[Material]:Q195,Q235,Q345=16Mn,ASTMA53 GRB,ST37,ST42,ST52 and so on(Rectangle steel pipe);Q195,Q235,Q345=16Mn,ASTMA53 GRB,ST37,ST42,ST52 and so on(Square steel pipe);[Side Length]:20*40*200*400mm(Rectangle steel pipe);15*15-400*400(Square s...
Products: square glass jar,
smocked tube dress