CSB(SZ:300718) Xin Lang Cai Jing·2025-12-30 02:25Group 1 - The core viewpoint of the news is that Changsheng Bearing's stock has increased by 1%, reaching a price of 85.69 yuan per share, with a trading volume of 311 million yuan and a turnover rate of 1.89%, resulting in a total market capitalization of 25.602 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 - Among the top ten circulating shareholders of Changsheng Bearing, a fund under Southern Fund holds a position, specifically the Southern CSI 1000 ETF (512100), which reduced its holdings by 9,600 shares in the third quarter, now holding 1.0922 million shares, accounting for 0.56% of circulating shares [2] - The Southern CSI 1000 ETF (512100) has a current scale of 76.63 billion yuan and has achieved a return of 29.2% this year, ranking 1850 out of 4195 in its category; over the past year, it has returned 24.73%, ranking 2053 out of 4179 [2]