... already supply to some famous manufacturer in Europe and China.copper tube diameter:7mm,5/16" , 3/8",12mm,1 ... type: flat or corrugated or sine-wave Slide plate: galvanized steel plate.aluminum fin space:can up to 9.5mm maxpitch ... fin evaporator,cooling cabinet evaporator,air cooled evaporator,heat exchanger,copper evaporator, aluminum evaporator,evaporator coil,refrigerator evaporator,fridge evaporator, ...