... different screw designs of world-famous machine brands, and can produce the screw barrel according to customers' ... Mo, V, S, PFerrous alloy: Fe, Cr, Si, Ni, BNickel alloy: Ni, Cr, Co, Wc, BTungsten alloy: W, Ni, Fe, Cu ... Products showingCompany Exhibition showing2012China Plast2012 Indonesia PlastProducts application CertificationOur advantages:1. Screw and barrel ...