天海电子主板IPO披露首轮审核问询函回复，行业及业务模式等问题遭追问

Group 1 - The core viewpoint of the article is that Tianhai Automotive Electronics Group Co., Ltd. is progressing with its IPO process, having responded to the first round of inquiries from the Shenzhen Stock Exchange [1] - Tianhai Electronics focuses on providing automotive transmission systems, connection systems, and intelligent control solutions, with its main products including automotive wiring harnesses, connectors, and electronic components [1] - The company aims to raise approximately 2.46 billion yuan through its IPO, which will be allocated to various projects including connector technology upgrades, wiring harness production base, automotive electronics production base, smart transformation and information construction, and the Tianhai Intelligent Connected Vehicle Industry Research Institute and supporting projects [1] Group 2 - The IPO application was accepted on June 26, 2025, and entered the inquiry stage on July 10 of the same year [1] - The first round of inquiry letters raised questions regarding the company's industry and business model, red-chip structure, and historical evolution [1]