Group 1 - The company's stock price closed at 29.45 yuan on August 21, down 0.91% from the previous trading day [1] - The trading volume on that day was 34,700 hands, with a transaction amount of 102 million yuan, resulting in a turnover rate of 9.25% [1] - The company operates in the instrument manufacturing industry, focusing primarily on smart energy management [1] Group 2 - On the evening of August 21, the company announced that its wholly-owned subsidiary, Hefei Ruina Intelligent Energy Management Co., Ltd., won a bid for the renovation and upgrade project of aging heating pipelines and facilities for Urumqi Heating Group, with a bid amount of approximately 225 million yuan [1] - On August 21, the net outflow of main funds was 8.3154 million yuan, with a cumulative net outflow of 12.5618 million yuan over the past five trading days [1]
瑞纳智能股价微跌0.91% 子公司中标2.25亿元改造项目