H65 refrigeration copper tube/pipe 1.Low price and best service 2 ... take the most advance technology in copper process, Rolling-Casting. Inner-grooved Copper Tube is of high cleanliness ... pin holeStandardAISI, ASTM, BS, DIN, JIS, ENMaterialRed copper, brass copper, and so onOutside Diameter4mm~60mmWall Thickness0.25mm~5.0mmLengthas ... -26346802Websitewww.tjzdgl.com.cn H65 refrigeration copper tube/pipe