Our company focuses on the usage, development and research of square and rectangular tubes
over the passed 20 years. At the same time we also pay attention to create platform and promotion for square tube, rectangular tube and other special tubes. All these make us stronger and more popularity in this area.
STEEL GRADE : Q195,Q235,Q345,S235,S355, A500 GRA/B/C, C350/C350L0, STKR400/490 , stainless steel 201,202,304,316etc.
STANDARD: GB/T3094, GB/T6728, ASTM A500, EN10210,EN10219,AS1163, JIS G3466
SIZE: square tube: 20x20-600x600mm,
rectangular tube: 20x30-600x800mm
THICKNESS: 1.0-35.0mm