Sell steel structure

1) Size: full range of both metric and inch size
2) Grade: Q235B, Q345B, SS400, A36, A572, A992 Gr50, S235JRG2, S235JR, S275JR or and S335JR
3) Standard: GB50205-2001, JIS, ASTM and EN
4) We can  process and fabricate steel structure as per buyers' requirements with advanced equipments ,strong technical support and best producing capacity.