SST500 Series is made of imported powder metallurgy steel. Characteristics: High wear resistance, very good toughness, bottom corrosion resistance, very good hardenability, stable heat treatment size. SST500 series screw are…

SST600 screw is produces using a selection of domestic and imported nickel-base alloy steel. Characteristics: excellent corrosion resistance, good plasticity, high temperature resistance, high wear resistance. SST600 series match with…

SST700 screw is a vacuum sintered nickel-based alloy coated screw, suitable for high wear materials. The base material is high quality alloy steel and the coating is imported ni-based self-fluxing…