Midday announcements from multiple listed companies are as follows: ① Wenzhou Hongfeng: The company's controlling subsidiary, Zhejiang Hongfeng Copper Foil Co., Ltd., recently received an invention patent certificate issued by the National Intellectual Property Office. The patent name is 'Medical Platinum Iridium Ring and Its Preparation Method'. This invention patent has not been applied to the company's relevant products yet, and its acquisition will not have a significant impact on the company's current production and operation. ② Limin Group: The company's wholly-owned subsidiary, Limin Chemical, obtained the 'Jiangsu Province Investment Project Filing Certificate' issued by the Xuzhou Industrial and Information Technology Bureau. The project name is 'Annual Production of 100 Tons of New Efficient Multifunctional Plant Protection Intermediate Project'. The project plans to invest 50 million yuan, and after completion, it will have an annual production capacity of 100 tons of Fluopyram Intermediate.