Inner-grooved copper tube copper tubeormal size: 5mm*0.25mm. 7mm*0.32mm. 7mm*0.28mm. 7.94mm*0.35mm. 9.52mm*0.36mmalloy no :C12200We supply the following products:1) inner grooved copper tubes2) seamless copper tubes3) level wound coils4) air conditioning straight tubes5) pancake coils6) copper fittings7) insulted copper tubes8) plastic-coated copper tubesOur products are with in the standard of ASTM, EN, GB, and JIS. Etc This is our companys website: you can find more information on that
