Mainly used in ink silicon rubber, plastic, pencils, heat-shrinkable material, paints, mosquito coils, carbon graphite, oil, gum base, various viscosity of CMC, modified starch, BMC, SMC, composite stainless stee, which could corrosion-resistant and non-rust, also ensure the material chemical properties. Bearing support uses self-aligning bearing with the feature of no movement along shaft.