Hot points, 1. advanced processing technology 2. accurate tolerance 3. the best quality 4. fine craft Product typealloyAlloy statusSpecification (mm)Executive ... tube/pipe1,3,8seriesO,H220.2~1.530~1550YS/T434The other coil1,3,8 series and 5005,5052O,H1x,H2x0.20 ... can supply these roll diameter are 405,505,605mm,and the max of the diameter is 1750mm6 The other aluminum coils