CSB(SZ:300718) Xin Lang Cai Jing·2026-02-24 01:51Group 1 - The core viewpoint of the news is that Changsheng Bearing's stock has increased by 5.02%, reaching a price of 86.97 yuan per share, with a trading volume of 199 million yuan and a turnover rate of 1.19%, resulting in a total market capitalization of 25.985 billion yuan [1] - Changsheng Bearing, established on June 14, 1995, and listed on November 6, 2017, specializes in the research, production, and sales of self-lubricating bearings and high-performance polymers [1] - The revenue composition of Changsheng Bearing's main business includes: 48.26% from metal-plastic polymer self-lubricating rolled bearings, 25.44% from bimetal boundary lubricated rolled bearings, 23.51% from metal-based self-lubricating bearings, and 2.79% from other supplementary products [1] Group 2 - From the perspective of major circulating shareholders, a fund under Southern Fund is among the top shareholders of Changsheng Bearing, having reduced its holdings by 9,600 shares to 1.0922 million shares, representing 0.56% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) has a current scale of 78.996 billion yuan, with a year-to-date return of 8.02% and a one-year return of 33.83% [2] - The fund manager, Cui Lei, has been in position for 7 years and 111 days, with a total asset scale of 137.02 billion yuan, achieving the best fund return of 250.66% and the worst return of -15.93% during the tenure [2]