- steel roof trusses
- 2017-01-09 09:48
- 1) material: galvanized steel;2) coating: Zinc coating from 80 to 275g per square meter;3) thickness: 0.5mm-2.0mm;4) spe
- omega channel for roof system and ceiling system
- 2017-01-09 09:48
- 1) Material: galvanized steel2) Zinc coating: from 100~275g per square meter3) Yield strength400mpa.-Raw materials : ZIN