企查查主板IPO披露首轮审核问询函回复，公司产品和技术等遭追问

Group 1 - The core viewpoint of the article is that Qichacha Technology Co., Ltd. has disclosed its first-round inquiry response for its IPO application on the Shanghai Stock Exchange, aiming to raise approximately 1.5 billion yuan [1] - Qichacha is a professional commercial big data service provider focused on delivering accurate, efficient, and convenient business data services to help users quickly understand various commercial entities' credit, risks, opportunities, and information [1] - The company’s IPO was accepted on October 10, 2025, and entered the inquiry stage on October 29 of the same year [1] Group 2 - The first-round inquiry letter raised questions regarding Qichacha's products and technology, sales and customers, as well as cost and gross margin [1]