这家会计师事务所被罚6528万，禁止从事证券业务

Core Viewpoint - Jiangsu Securities Regulatory Bureau has imposed penalties on Yongtuo Accounting Firm for failing to perform due diligence, resulting in false records in audit reports and verification reports [1][2][3] Group 1: Penalties and Financial Impact - Yongtuo Accounting Firm is ordered to rectify its practices, with a total of 811 million yuan in business income confiscated and a fine of 57.17 million yuan imposed [1][3] - The firm is prohibited from engaging in securities service business due to its violations [3] Group 2: Specific Violations - In the audit of Hongda Xingye, Yongtuo failed to exercise due diligence, issuing unqualified audit reports despite knowing significant issues existed [1][2] - For Hengjiu Technology, the firm did not maintain professional skepticism and failed to properly assess financial fraud risks during the audit process [2] - In the audit of Kelin Environmental Protection, Yongtuo did not adequately understand internal controls related to revenue and failed to execute appropriate control tests, leading to significant deficiencies in substantive audit procedures [3]