Hongsheng Shares said on September 15 that its stock had accumulated a 20% deviation in closing price over three consecutive trading days on September 11, September 14 and September 15, meeting the criteria for abnormal trading volatility. The company said its main business is aluminum plate-fin heat exchangers used in compressors, agricultural machinery, construction machinery, hydraulic presses and new energy industries, and that revenue from the data center liquid-cooling segment accounted for less than 4% of total revenue and had no material impact on performance, according to Jiemian News. The company added that the related business remains uncertain and urged investors to pay attention to investment risks.