... red;3. Moudle: Single slope or double slop;4. Window material: Plastic steel or aluminum, swing or slidding5. Door: EPS ... Sandwich panel, PU sandwich Panel, Plastic steel or Aluminum. Material Standards:1. International standard: Fe360B2. Chinese standard: Q235B/ Q345B3. ... boarding all use the color steel sandwich panel, the filling material could be thermal core.2. Light weight and convenient ...