... structure, deformation, light weight,good safety,good heat insulation Cold room door manufacturer Place of Origin: Jiangsu China (Mainland)Brand Name ... Number: customized Temperature: 0°C~+60 °Cquality: highCold room door is made of polyurethane foaming materials.The metal on both ... requirements .Guide device: Guide rail’s material is Aluminum alloy, wheel is working on lining and inclined rail, when ...