... 2.beautiful appearance 3.durable,stainless steel Sliding door/cold room door Place of Origin: Jiangsu China (Mainland)Brand ... ~40PU thickness: 50mm,75mm,100mm,120mm,150mm,200mm quality: highSliding door internal polyurethane foam overall.Application industry:Food, industrial ... 135°C.door board:Using polyurethane foam with panel overall, exterior level off, insulation performance is strong, plus box ...