The company developed the XZ-1 type rust conversion agent by the liquid (A component ) and black powder (B component ), with the preparation of the steel surface coated with a rust can react with rust layer formed on the surface of a steel attachment are tight , hard black conversion coating , this layer of film is exposed to 10 to 15 days and not return to rust in a dry atmosphere , avoiding the sand-blasting rust easily back problems , while conversion coatings with various anti-corrosion coatings and synthetic resin has good adhesion , suitable for a variety of coatings , rubber lining and synthetic resin binder of anti-corrosion lining works.