- corrugated steel sheet
- 2016-11-11 01:08
- 1.corrugated steel roofing sheet/ galvanized corrugatedsteel sheet2. material of sgcc, spcc, dx51d, dx51d+z3.Zinc coatin
- carbon steel flange
- 2016-10-22 16:48
- pipe flanges of carbon and alloy steelmaterial of a106 , q235 , wp1, wp9 , st45 accoring to GB , ASTM , DIN standardsize