1. one cold room project in DaLian of us 2. bitzer refrigeraton equipment 3. cold room door and ... key to assemble and disassembleType of doorhinge door, convex door, sliding doorTemp.of room-45~+20 degree, optionalPurpose of cold roomfruit,vegetable,flower ... )Voltage220V/50HZ, 220V/60HZ, 380V/50HZ optional cold room project of us