Good quality H63 copper tube 1.Low price and ... easy welding, and great corrosion resistance, less crack, all eddy-current tested, 100% no pin holeStandardAISI, ASTM, BS, DIN, ... Terms L/C, T/TPriceUpon negotiationProductivity2000 MT/monthQualityHigh Quality. Our products have passed the ISO inspections.ApplicationAir ... 26346801FAX.+86-022-26346802Websitewww.tjzdgl.com.cn Good quality H63 copper tube