- hot rolled square tube
- 2017-01-17 21:32
- hot rolled square tube 1)material:Q195-Q235 2)Standard:ASTM A53 BS1387-1985 GB/T3091-2008 3)International Standard::ISO2
- u channel steel
- 2017-01-17 21:12
- constrution channel 1) Good quality and Competitive price 2)Q235ss400 or ST37-2