After 30 years of reform and opening up, China's economic and consumption growth has led to the growth of the packaging industry and the improvement of the quality of packaging products. Metal packaging is widely used in the food, beverage, daily chemical products and household products industries because of its good sealing and bright patterns. The food and beverage industry has become the largest market for metal packaging, and the chemical, cosmetic and pharmaceutical industries are all important markets for metal packaging. Metal packaging is an important part of China's packaging industry, its output value accounts for about 10% of the total output value of China's packaging industry, mainly for food, canned goods, beverages, grease, chemicals, drugs, cultural supplies and cosmetics industries to provide packaging services. At present, China's metal packaging demand prospects are very broad, large demand.