The reporter learned from the China Machinery Industry Association on the 13th that from January to September this year, the production and sales growth rate of the optical glass manufacturing industry exceeded 65%, which is far ahead of the 14 sub-industries of the instrumentation industry. The data shows that the average growth rate of the instrumentation industry is about 30%.　　According to the latest production and operation report of the instrumentation industry published by the Federation of Machinery Industry, from January to September, the national instrumentation industry has completed a total industrial output value of 431.267 billion yuan, a year-on-year increase of 30.77%; completed sales output value of 416.16 billion yuan, a year-on-year increase of 29.64%.　　The industry believes that a large part of the popularity of the optical glass industry is related to the rapid development of the capacitive touch screen market. According to market research organization Gartner, the average annual growth rate of sales of products such as smartphones, tablets and 3D TVs will exceed 50% in the next few years, and capacitive touch screens will become the most direct beneficiaries of the rapid development of the above industries.