According to relevant estimates, with an annual growth rate of 10%-15%, the annual output of China's automobiles will reach 7.5 million to 8 million vehicles by 2010, of which 50% are cars, that is, more than 4 million vehicles, and 1.7 million passenger cars. There are 1.8 million trucks and 12 million motorcycles. By 2010, the number of cars will be about 50 million, and the number of motorcycles will be about 100 million. By then, the annual output and possession of automobiles in China will be among the highest in the world. Therefore, the market demand for bearings for automobiles and motorcycles and maintenance bearings will increase significantly.

The automobile industry belongs to a relatively large comprehensive industry, and its connotation includes: metallurgy, casting, material forming, metal processing, automation control, electronics, spraying and other industries. The scale of the industry and the industries involved are hard to compare with other industries. There are also a wide variety of devices to apply to.

There are also many types of bearings installed on automobiles, such as automobile wheel bearings, automotive air conditioning compressor electromagnetic clutch bearings, automotive transmission shaft center bracket bearings, automotive engine tensioner bearings, automotive clutch release bearings, automotive water pump shaft bearings and so on.