... 1183mm cam lock type, easy to make cold rooms High Quality Polyurethane Sandwich Cold Room Panel Polyurethane panel are of 100 ... thickness50mm,75mm,100mm,150mm,200mmSteel coverstuccom embossed aluminum,painted galvanized steel,stainless steel,PVC stellPanel connectioncam lock type, use ... !DACHANG company attend the related exhibitions every year. High Quality Polyurethane Sandwich Cold Room Panel