... R134A, R22, R404A, R407C refrigerant and so on9.Side plate: galvanized plate or aluminum plate10.Pitch of holes and pitch of rows ... , digressing, drying,Welding, leakage test, bending, inspection, packing Air Conditioner part,Air Cooling Evaporator,5.0Rows 6.0Holes,Copper Tube,Aluminium ...