ZHENGDANCHEM(SZ:300641) Xin Lang Cai Jing·2026-02-09 06:50Group 1 - The core viewpoint of the news is that Zhengdan Co., Ltd. experienced a stock price increase of 5.04%, reaching 21.05 CNY per share, with a trading volume of 367 million CNY and a turnover rate of 3.41%, resulting in a total market capitalization of 11.063 billion CNY [1] - Zhengdan Co., Ltd. is located in Zhenjiang, Jiangsu Province, and was established on January 23, 2007, with its listing date on April 18, 2017. The company specializes in the research, production, and sales of high-end environmentally friendly new materials [1] - The main business revenue composition of Zhengdan Co., Ltd. includes 89.59% from anhydrides and esters, 10.40% from high-boiling aromatic solvents, and 0.01% from other supplementary products [1] Group 2 - Among the top ten circulating shareholders of Zhengdan Co., Ltd., a fund under Southern Fund ranks first. The Southern CSI 1000 ETF (512100) reduced its holdings by 29,400 shares in the third quarter, holding a total of 2.4356 million shares, which accounts for 0.46% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 78.996 billion CNY. It has achieved a 6% return this year, ranking 1533 out of 5580 in its category, and a 35.04% return over the past year, ranking 1803 out of 4290 [2] - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has a cumulative tenure of 7 years and 96 days, managing a total fund asset size of 137.02 billion CNY, with the best fund return during the tenure being 279.97% and the worst being -15.93% [2]