Material: 38CrMoAlA Application: rubber machine Dimension:15-300mm Effective length:4000mm Chenshi Machinery is a professional manufacturer for all kinds of ... alloy: Fe, Cr, Si, Ni, BNickel alloy: Ni, Cr, Co, Wc, BTungsten alloy: W, Ni, Fe, Cu Products showingCompanyProducts application ... Main market: Southeast Asia,Eastern Europe, Africa High output single rubber machinery screw and barrel for ...