操纵证券市场，300亿A股控股股东，被判刑

Core Viewpoint - The controlling shareholder and former chairman of Meihua Biological, Meng Qingshan, has been sentenced to three years in prison with a five-year probation for manipulating the securities market, following a fine of 122 million yuan [1][3][9]. Group 1: Legal Proceedings - Meng Qingshan was convicted of securities market manipulation by the Langfang Intermediate People's Court in Hebei Province [3][8]. - The court's decision includes a three-year prison sentence, which is suspended for five years, and a fine that will be offset by previously paid administrative penalties [3][8]. - Meng has not held any position in the company since his retirement in January 2017, and the incident is classified as a personal matter, not affecting the company's operations [3][8]. Group 2: Background of the Case - The case stems from actions taken in 2013 and 2014, where Meng and others were found to have manipulated stock prices to ensure the success of a non-public stock issuance [10][11]. - The investigation revealed that Meng and his associates engaged in practices that led to significant illegal gains, amounting to 196 million yuan for a trust fund involved in the stock issuance [11][12]. - The China Securities Regulatory Commission (CSRC) previously imposed a fine of 122 million yuan on Meng and his associates for their actions, which included a ten-year ban from the securities market [12]. Group 3: Company Impact - As of November 7, 2023, Meihua Biological's stock closed at 11.52 yuan per share, with a market capitalization of 32.3 billion yuan [5]. - The company has stated that its production and operational activities remain normal despite the legal issues surrounding its former chairman [3][8].