... . Dimension: Length, width, height, eave height, roof pitch, etc. 2. Doors and windows: Dimension, quantity, where to put them. 3. Local climate: Wind ... , snow load, rain, etc. 4. Insulation material: Sandwich panel or steel sheet. 5. Crane beam: Do you need crane beam inside ... the steel structure? 6. If you have other requirements, please also inform ...