Richful(SZ:300910) Xin Lang Cai Jing·2025-11-04 02:43Group 1 - The core point of the news is that Ruifeng New Materials experienced a decline of 5.01% in stock price, reaching 53.80 yuan per share, with a trading volume of 1.18 billion yuan and a turnover rate of 1.05%, resulting in a total market capitalization of 15.921 billion yuan [1] - Ruifeng New Materials, established on November 11, 1996, and listed on November 27, 2020, is located in Xinxiang County, Henan Province. The company specializes in the research, production, and sales of fine chemical products, including oil additives and non-carbon paper color developers [1] - The main business revenue composition of Ruifeng New Materials is 98.12% from lubricant additives and 1.88% from other supplementary products [1] Group 2 - According to data from the top ten heavy stocks of funds, a fund under Changjiang Asset Management holds a significant position in Ruifeng New Materials. The Changjiang Intelligent Manufacturing Mixed Fund A (014339) held 235,000 shares in the third quarter, accounting for 2.41% of the fund's net value, ranking as the eighth largest heavy stock [2] - The Changjiang Intelligent Manufacturing Mixed Fund A (014339) was established on December 29, 2021, with a latest scale of 341 million yuan. Year-to-date returns are 26.94%, ranking 3480 out of 8150 in its category; the one-year return is 37.64%, ranking 2017 out of 8043; and since inception, the return is 43.61% [2] - The fund manager of Changjiang Intelligent Manufacturing Mixed Fund A is Shi Zhan, who has been in the position for 3 years and 312 days, with a total asset scale of 603 million yuan. The best fund return during his tenure is 42.76%, while the worst is 40.58% [2]