1. one cold room project in DaLian of us 2. bitzer refrigeraton equipment 3. cold room door ... steel,stainless steel,PVC stellPanel connectioncam lock type, use hexagonal key to assemble and disassembleType of doorhinge door, convex door, sliding ... doorTemp.of room-45~+20 degree, optionalPurpose of cold roomfruit,vegetable,flower ...