Data from "Forecast of Production and Marketing Demand and Transformation and Upgrading Analysis Report of China's Bearing Manufacturing Industry" shows that the total industrial output value of China's bearing manufacturing industry has been growing year by year from 2009 to 2013. In 2013, the total industrial output value of the industry reached 249.363 billion yuan, with a year-on-year growth of 12.92%.

Through the analysis of the data in the past five years, it is found that the sales revenue of China's bearing manufacturing industry also shows a trend of increasing year by year from 2009 to 2013. In 2013, the sales revenue reached RMB 249.012 billion, with a year-on-year growth of 11.80%.

With the rapid development of bearing industry in China, bearing varieties have changed from few to many, product quality and technical level have changed from low to high, and the industry scale has grown from small to large. A professional production system with basically complete product categories and reasonable production layout has been formed.