aluminium tube for freezer 1.alloy 3003 1070 1050 1060 2.od 4mm~20mm 1/4" 3/8" 1/2" 5/8" 3.wall thickness 0.6mm~2.0mm 4.applicaiton : air condtioner . freezer . refrigerator 5.min order 3ton per size 6.produce term 15days ~20days zouping taixing aluminium corproation-