Aluminum elbow pipe 1.high quality&competitive price 2.various surface treatment 3. ... degrees,etc.Diameter10mm,12mm,15mm,etcLength80mm,100mm,120mm,etcThickness0.8mm,1.0mm,1.2mm,etcMaterialaluminum alloy 6061,6063 or your requestmentSurface treatmentAnodize, ... over 50 workers. C. Equipments: CNC machines, bending machine, Automatic spark machine, line cutting machine, shearing machine,etc. D. Surface ...