... convenient 5.Certification:CE,ISO9001 Fresh flake ice machine application field 1 Concrete cooling project 2 Fishery and aquatic food ... 2mm Refrigerant: R717,R22 ,R404A,R507A Fresh flake ice machine feature 1 There are two options available——A. Freon (R507, R404A ... our eternal goal.8 Outstanding electric control system——1. SNOWKEY ice machine adopts world famous brand such as Siemens, Schneider, etc ...