2 NSK in Japan (1916 started in Japan, the first manufacturer to design and produce bearings in Japan, and the earliest domestic trial-produced bearing product in Japan, Ensk Investment Co., Ltd.)
3 Germany FAG/INA (a global leader in the production of rolling bearings and linear motion products, one of the largest family enterprise groups in Germany/Europe, Schaeffler Investment (China) Co., Ltd.).
4 Timken Timken (1895 USA, the world's leading manufacturer of high-quality bearings/alloy steel and related parts, top ten bearing brands, Timken (China) Investment Co., Ltd.).
5 Japan NTN( 19 18 was established in Japan, one of the largest bearing manufacturers in the world, a large multinational group company, and one of the top ten bearing brands, Entien (China) Investment Co., Ltd.).