... GB,BS,ASTM copper tube for air condition or refrigerator Product Name: copper tube for air condition or refrigerator Size: ... your requestQuality:ASTM B135,Copper,Seamless.Usage:Used for air condition,and the insulation material prevent fire. StandardGB/YBASTM/CDAJISDINGradeT2C1100 ... coil:Package:Looking forward to your inquiry and our win-win cooperation! copper tube for air condition or refrigerator