Tube is drawn by mandrel and oil for each process so that the outer and inner surface is very smooth without any burr. ...
Withstand high pressure: The oil drawing process makes the surface smooth which can improve its pressure bearing ability...
Developed based upon normal fuel injection tube, and increase the surface and mechanical condition to fit the common rail tube requirements....
Drawing by oil to guarantee the surface clearness Before drawing,inner welded seams is deburred.No seam can be felt or seen for the finished products...
