Group 1 - Chengdu Aileda Aviation Manufacturing Co., Ltd. has received a regulatory letter from the Shenzhen Stock Exchange due to various compliance issues [1] - The company has deficiencies in internal control systems, including improper cash inventory checks and inadequate management of sales ledgers related to non-core business [2] - Accounting practices at the company are found to be non-compliant, with issues such as improper revenue recognition leading to an overstatement of income by 2.8977 million yuan for 2024, insufficient coverage in inventory impairment testing, and incorrect accounting treatment of goodwill [2] Group 2 - The company and its executives, including Chairman Xie Peng and General Manager Liu Xiaofen, have violated multiple articles of the Growth Enterprise Market Listing Rules, indicating a failure to fulfill their duties and obligations [3] - Former executives, including Chairman Fan Qingxin and Financial Directors Wang Yanqiu and Ma Qingfeng, are also held accountable for the company's accounting issues during their tenure [3] - The company is urged to take these issues seriously, learn from the mistakes, and implement timely corrective actions to prevent recurrence [4]