Detailed Product Description Feature of Explosion-proof cold room / storage / store:(1) Temperature range: -40ºC~+20ºC (-40ºF~+68ºF) are all available.(2) Size: Customization.(3) Functions: explosion-proof, quick-freezing, fire-proof are all available.(4) Fully automatic control system. "Global top-500" customers:3M, KFC, McDonalds, IKEA, Rohm & Haas.