T&L corrosion preventive oil is premium corrosion preventive with low viscosity and shows good anti-rust performance on alloy and metal materials which can bring direct economy profit. T&L PRE OL5010 can Provide long term anti-rust for vehicles bearing, metal instruments and a various machine parts, good anti-rust performance on steel, cast iron, copper, its alloy, aluminum, its alloy and other metal materials; T&L PRE OL5020 Protects semi-product of steel, recommended for conditions with strict requirement for anti-corrosion and cleaning.