air conditioner pipe 2.Cu>99% 3.Best quality with low cost ... alloy tubes for condenser and Heat-exchangers tube series: BFe 10-1-1/C706000/CuNi10Fe1Mn, BFe 30-1-1/C71500/CuNi30Mn1Fe ... : 0.5-10mm 7)Test: Automatic Eddy Current Testing, Hydrostatic, Air Pressure test, Hardness testing, Grain size testing, Universal Material Test.