Group 1 - The core point of the article is that four companies are set to present their IPO applications at the upcoming listing committee meetings of the Shenzhen Stock Exchange, Shanghai Stock Exchange, and Beijing Stock Exchange [1] Group 2 - Huikang Technology plans to list on the Shenzhen Main Board and aims to raise 1.797 billion yuan for projects including the construction of an intelligent manufacturing production base for refrigeration equipment and a research center [2][3] - Three companies, Hengdao Technology, Toptech, and Mifutech, are planning IPOs on the Beijing Stock Exchange, with proposed fundraising amounts of 403 million yuan, 314 million yuan, and 159 million yuan respectively [2][5] - Mifutech specializes in the R&D, production, and sales of key components for automotive fluid pipeline systems and other plastic parts, while Toptech focuses on intelligent controllers and products applicable in various sectors including consumer electronics and industrial automation [4][5]