Aluminum curve tubes' specification:

1.Material : 6063  6061 or other different aluminium  alloy
2.Machining by Fringe-milling, r olling, stamping, mouth-narrowing/broadening, hole/bore-making, surface-grinding, mouth-broadening, mouth-shrinking, bending,sharpening,and shaping etc.
3.Surface treatment: mill,  anodizing, powder coating, sliding, sanding, polishing,etc. 
4.Application:we can do curved aluminum pipe used for Household items, industries, and so on.
5.Package:each pc is wrapped by normal paper or foam paper or soft plastic,then put into export carton,or by customers' requirement.
6.Advantage:high quality but reasonable and market price,delivery in time and good after service
7.We can machining what size and shape of such elbow pipe you want.