... Q235, components make bottom and surface painted process.10roof beamTriangle roof frame is welded by square steel pipe, components surface is ... following information: 1. Dimension: Length, width, height, eave height, roof pitch, etc. 2. Doors and windows: Dimension, quantity, position to ... If you have other requirements, such as fire proofing, isolated roof, etc, please also inform us. 7. It's better ...