The rubber seal is small, but its role makes it become the main industry of the national economy and national defense, chemical, petroleum, coal, transportation and machinery manufacturing, the basic components and accessories, plays an important role in the development of national economy. In recent years, with the rapid economic growth, rubber seal manufacturing industry has maintained two digit growth. The data show that in 2011, Chinese rubber seal manufacturing industry scale （above the enterprise （according to the National Bureau of statistics, the sales income of 20 million yuan or more） to achieve the total industrial output value of nearly billion, an increase of more than 20%.
　　At present, Chinese rubber seal manufacturing industry scale （annual income of 20 million yuan or more） of more than 150 enterprises, the domestic rubber seal industry showed a small scale, low level of technology development situation. From the point of view of economic type, private and foreign-funded enterprises accounted for more than 95%, is the main type of economic industry; at the same time, the enterprise basically concentrated in the eastern regions, from the number of enterprises, sales income and asset scale, East China region accounted for a considerable share of the market, set moderately high.