sanonpipe kwararre ne mai kaya kuma ƙera ayyukan bututun ƙarfe maras sumul a China.Babban samfuransa sunebututun tukunyar jirgi, bututun mai, inji bututu, taki da bututun sinadarai, datsarin sumul karfe bututu.Babban kayan su ne:SA106B, 20 g, Q345, 12 Cr1MoVG, 15 CrMoG, Cr5Mo, 1 Cr9Mo, 10 CrMo910,Saukewa: A335P5/P9/P11/P12/P22/P91/P92