长江能科、泰凯英等3家公司IPO即将上会

Group 1 - Three companies are set to present their IPO applications, with 恒坤新材 planning to list on the Sci-Tech Innovation Board, while 长江能科 and 泰凯英 aim for the Beijing Stock Exchange [1][2] - 恒坤新材 is expected to raise the most funds, with a target of 1.007 billion yuan, which will be allocated to advanced materials for integrated circuits and a second phase project for integrated circuit precursors [1][3] - 泰凯英 and 长江能科 plan to raise 390 million yuan and 160 million yuan respectively, with 泰凯英 focusing on mining and construction tires, and 长江能科 specializing in pressure vessel equipment for the energy and chemical industry [1][3] Group 2 - 恒坤新材's products are essential materials for the production of advanced NAND and DRAM storage chips, as well as logic chips at 90nm technology nodes and below [2] - 泰凯英's main business includes the design, research and development, sales, and service of tires for mining and construction [3] - 长江能科's products are widely used in oil and gas field development, refining, and marine engineering, including equipment for oil pre-treatment and other surface engineering applications [3]