... compressor condensing unit 2. electrical control box walk-in cold room project in Neimeng Provincesandwich panel cold store with sliding door ... steel,stainless steel,PVC stellPanel connectioncam lock type, use hexagonal key to assemble and disassembleType of doorhinge door, convex door, sliding ... building)Voltage220V/50HZ, 220V/60HZ, 380V/50HZ optional walk-in cold room project in Neimeng Province