We could provide  different kinds of  surfaces of the ss tube. Such as  Mill Finish,  180grit, 240grit, 320grit, 400grit , 600grit.  And our factory has the high polishing techniques for mirror polishing tubes.  We can meet the renquirements of eletroplating,fine polishing and other application as the result of good smoothness and brightness of our tubes without any pitting,sand hole.