Detailed Product Description walk in cold room Feature:(1) Temperature range: -40ºC~+20ºC (-40ºF~+68ºF) are all available.(2) Size: Customization.(3) Functions: fresh-keeping, freezing, quick-freezing, fire-proof, explosion-proof, air-conditioning are all available.(4) Fully automatic control system. "Global Top-500" customers:KFC, McDonalds, 3M, IKEA, Rohm & Haas