红板科技主板IPO披露第二轮审核问询函回复

Group 1 - The core focus of the company is on the research, production, and sales of printed circuit boards [1] - The company aims to raise approximately 2.057 billion yuan through its IPO, which will be used for a project to produce 1.2 million square meters of high-precision circuit boards [1] - The company’s IPO was accepted on June 28, 2025, and entered the inquiry stage on July 18 of the same year [1] Group 2 - The second round of inquiry from the Shanghai Stock Exchange raised questions regarding the company's procurement, research and development, waste materials, fixed assets, and industry and technology issues [1]