Sanmei(SH:603379) Xin Lang Cai Jing·2025-11-03 02:28Core Viewpoint - Sanmei Co., Ltd. experienced a 5.02% decline in stock price, closing at 53.12 CNY per share, with a trading volume of 2.32 billion CNY and a turnover rate of 0.70%, resulting in a total market capitalization of 32.429 billion CNY [1] Company Overview - Zhejiang Sanmei Chemical Co., Ltd. was established on May 11, 2001, and went public on April 2, 2019. The company specializes in the research, production, and sales of fluorochemical products, including fluorocarbon chemicals and inorganic fluorine products [1] - The main revenue composition of the company includes: fluorinated refrigerants (85.55%), hydrogen fluoride (9.77%), foaming agents (3.46%), material sales (0.70%), by-product sales (0.27%), and others (0.25%) [1] Fund Holdings - According to data from the top ten heavy stocks of funds, one fund under Jianxin Fund holds a significant position in Sanmei Co., Ltd. The Jianxin CSI 500 Index Enhanced A (000478) held 875,300 shares in the third quarter, accounting for 1.09% of the fund's net value, ranking as the fourth largest heavy stock [2] - The Jianxin CSI 500 Index Enhanced A (000478) was established on January 27, 2014, with a latest scale of 3.908 billion CNY. Year-to-date returns are 27.98%, ranking 2005 out of 4216 in its category; the one-year return is 28.89%, ranking 1638 out of 3894; and since inception, the return is 229.96% [2] Fund Manager Information - The fund manager of Jianxin CSI 500 Index Enhanced A (000478) is Ye Letian, who has a cumulative tenure of 13 years and 231 days. The total asset scale of the fund is 7.488 billion CNY, with the best fund return during his tenure being 328.03% and the worst being -18.94% [3]