RUIFENG CHEM(SZ:300243) Xin Lang Cai Jing·2025-08-06 00:19Core Viewpoint - The sudden resignation of Zhao Ziyang, the secretary of the board of directors of Shandong Ruifeng High Polymer Materials Co., Ltd., has raised concerns, potentially linked to his investigation for insider trading two months prior [1][3]. Company Overview - Shandong Ruifeng High Polymer Materials Co., Ltd. was established in 1994 and specializes in the research, production, and sales of PVC additives and engineering plastic additives, headquartered in Yiyuan County, Zibo City, Shandong Province. The company was listed on the Shenzhen Stock Exchange's Growth Enterprise Market in July 2011 [3]. Recent Developments - Zhao Ziyang, who has been with the company since 2009 in various roles, was re-elected as the secretary of the board in December 2024 after a board and supervisory committee reshuffle. However, he was investigated for insider trading by the China Securities Regulatory Commission (CSRC) on June 10, 2024, which the company stated was a personal investigation unrelated to its daily operations [3][4]. Financial Performance - The company's financial performance has shown significant volatility in recent years, with revenues of 1.832 billion yuan, 1.776 billion yuan, and 2.001 billion yuan for 2022, 2023, and 2024 respectively, reflecting year-on-year changes of -1.45%, -3.04%, and 12.66% [4]. - The net profit attributable to shareholders was 61.14 million yuan, 85.29 million yuan, and 22.08 million yuan for the same years, with year-on-year changes of -34.17%, 39.51%, and -74.12% [4]. Stock Price Movement - The company's stock price has experienced significant fluctuations, reaching a low of 4.97 yuan per share in February 2024, peaking at 16.06 yuan per share on May 9, 2024, before dropping to a low of 6.97 yuan per share on September 18, 2024. The stock then rebounded, reaching a high of 14.46 yuan per share on November 6, 2024 [5].