... Bending, Welding, Fix the bracket, Weld the suction tube, Leakage test, Cleaning, Coating, (Folding or bending to shape, Inspection, Packing3 Technical ... .5 million sets per year (8000 sets per day)R134a Cooling System Tube Inside Standards:Residual moisture ≤ 5 mg /100cm3 Residual impurity ...