SST400 Series are made from imported stainless steel. Characteristics: Superior corrosion resistance, excellent polishability, well abrasion resistance and stable dimension in heat treatment. SST400 Series are suitable for SBK3  SBK7…

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…