... (density is up to 40~46kg/m3 ) Application: Food(meat, vegetable, fruit, dairy, drink), medicine, chemical, electronics, etc.-- materials: Polyurethane and ... painted steel sheet and stainless steel sheet for choice.-- with electric heating wire around doorframe to void icing.-- safe doorknob inside ... AS POSSIBLE! ANY HELP, CONTACT US! Cold room for meat, vegetable, fruit and so on