Rubber seal is small, but its role makes it become national defense, chemical industry, petroleum, coal, transportation and machinery manufacturing and other major national economy of the basic components and accessories, in the development of national economy occupies a very important position. In recent years, with the rapid economic growth, rubber seal manufacturing industry has maintained a double-digit growth. Data show 2011, China Rubber Seal manufacturing Industry scale (according to the statistics of the National Statistical Office, sales revenue in more than 20 million yuan) to achieve industrial output value of nearly billion, year-on-year growth of more than 20%. At present, China's rubber seal manufacturing Industry Scale (annual income of 20 million yuan) more than 150 enterprises, the domestic rubber seal industry as a whole showing the small size of enterprises, the development of low technical level.
From the view of enterprise economic type, the private sector, funded accounted for more than 95%, is the main economic type of industry; At the same time, the enterprise is basically concentrated in east China, from the number of enterprises, sales revenue and the size of assets, East China occupies a considerable share of the market concentration is higher.
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