Steel lined with plastic tank(steel plate, steel mesh, plastic combination) is the essence of steel plastic composite products. It adopts special rotational molding technology. The steel mesh was welded on the surface of steel plate, Pure plastic (LLDPE, HDPE, PTFE) as raw materials by rotational molding steel plate, steel mesh and plastic combined into a whole.The products are widely used in petroleum, chemical, metallurgy, dyes, pesticides, and environmental sanitation, transportation, biology, medicine, food and other industries, It is frp, stainless steel, metal parts of the ideal substitute.