From the analysis of the stainless steel application industry, the automotive industry is currently the fastest growing field of stainless steel applications. In the past decade, the consumption of stainless steel for automobiles in Japan has increased from an average of 10 kg to 30 kg, and the United States has exceeded 40 kg. Stainless steel is also widely used in public transportation vehicles such as buses, subways, and high-speed rail vehicles. The Chinese home appliance industry is a potential big market for stainless steel applications. In addition, the demand for stainless steel in the water industry, construction and structural industries, environmental protection industries, and industrial facilities will also increase year by year.