Can help enterprises significantly reduce the cost of raw materials, maintaining a traditional fine rust resistance of 304 stainless steel, by the middle of the machining of low carbon steel to improve product performance, forming an absolute competitive products and pricing. This product is the upgraded product of 304 stainless steel. Made of 304 stainless steel composite product, does not require chemical plating, thus effectively protecting the environment, consistent with the guiding principles for States on production of iron and steel industry and national demand for the construction of economical society. New type of composite material, on behalf of a stainless steel cold - rolled sheet products new direction, so that enterprises in the fierce competition to win. New technologies under the support of products, can help the stainless steel enterprises to seek out new business opportunities.