air-condition copper pipe Standard: GB,ASTM ,DIN ,BS,SAE grade :T2,T3,TV1, ... OD:4-100mm WT:0.4-8 air-condition copper pipe / tube :the details about the copper products :StandardGB/YBASTM/CDAJISDINGradeT2C1100 / 110C1100Ecu ... meter and numerically controlled lathe processing etc air condition copper pipe / tube