Tianshui Hailin Bearing Factory is located in Tianshui, a famous historical and cultural city. It is a large-scale backbone enterprise in the bearing industry invested and built by the state in 1966. In November 2001, Hailin Zhongke Science and Technology Co., Ltd. was established, which was jointly owned by Hailin Factory Holdings and Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences. After more than thirty years of development. It has an annual output of more than 20 million sets of rolling bearings, an output value and sales revenue of 360 million yuan, and an export earnings of 20 million US dollars. Listed in the top 500 Chinese machinery industries. National bearing export base. The end of the "Tenth Five-Year Plan" period. Annual production and sales will reach 500 million yuan. Become one of the small giants in the industry.

Tianshui Hailin Bearing Factory specializes in the production of metric/imperial tapered roller bearings, deep groove ball bearings, cylindrical roller bearings, spherical roller bearings and other types of standard and non-standard rolling bearings with more than a thousand varieties. The production and sales volume of its leading product, tapered roller bearings, has ranked second in the industry for three consecutive years. In 2003, Hailin Factory ranked ninth in terms of sales revenue in the national bearing industry.

The products are widely used in supporting and repairing industries such as engineering machinery, automobiles, gearboxes (reducers), agricultural machinery, mining and metallurgy, petrochemicals, machine tools, diesel engines, and motors. And provide high-quality bearings for military machinery.

Tianshui Hailin Bearing Factory has strong technology, and its process equipment is mainly automatic lines and automated machine tools. The quality system has passed IS09001:2000 standard certification. The tapered roller bearings are provincial famous brand products, and the Hailin brand is a famous trademark in Gansu.