Group 1 - The sales amount of Haicheng Energy is inconsistent between the inquiry letter and the prospectus, raising doubts about its authenticity, with reported sales of 60.27 million yuan [1] - In the prospectus, Haicheng Energy is listed as the third-largest customer of Gaote Electronics for 2024, with a sales amount of 60.497 million yuan, showing a discrepancy of 224,300 yuan compared to the inquiry letter [3] - The company has a cash balance of 254.69 million yuan as of June 30, 2025, which is sufficient for its operational needs, questioning the necessity of raising an additional 250 million yuan for liquidity [10][18] Group 2 - The company holds a total of 119 valid patents domestically, including 55 invention patents, with 23 of these patents authorized after 2024, raising concerns about potential "rush" applications for patents [7][15] - The mysterious shareholder Chen Huan acquired shares at a significantly lower price than the market value, leading to suspicions of undisclosed benefits or related party transactions [19] - The shareholding arrangement involving the Shentu brothers raises tax evasion concerns, as their operations appear to circumvent tax obligations through complex holding structures [21]