... or sliding type by duralumin or plastic steel. The frame of the door is welded by light-duty steel. Colored ... and environmental protection, etc. If you're really interested, please give us the following information: 1. Dimension: Length, width, height, eave height, ... where the structure is planning to use? 7. If you have other requirements, such as fireproof, isolatedroof, etc, please also inform us. ...