1,aluminum pipe,aluminum tube 2,customised aluminum pipe and aluminum tube 3,strange shape aluminium extrusion pipe aluminium extrusion ... ,Drilling,Tapping,Stamping,Pulling,CNC mill, CNC lathe,CNC machining…3,Surface treatments: mill finished,anodizing,electroplating,powder coating, ... the China national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98.5,OEM.