Yeup is a professional manufacturer for producing special steel seamless tube/pipe,established on 2001.Yeup tube size range is from 1/8"to 8"OD with W.T. from 0.5mm to 17.12mm(schxxs).Grade includes most of 300 series,400 series (TP409,TP410),duplex UNS31803/S32205,super duplex S32750,TP904L,17-4PH.Etc.