large diameter aluminum tube 1.out dia 20-250mm 2.wall ... 6063,6061,6A02,3003,etc top quality,reasonable price large diameter aluminum tube 1.Specifications PRODUCTaluminum tubeALLOY1060,2A12,3003,3A21, ... etc,and also sold to over 180 medium and large enterprises in Zhejiang,Shanghai,Hangzhou,Wuhan,Shandong and northeast ... - 87866700.I will reply you soon 20mm-250mm large diameter aluminum tube 6061 6063