年报存在虚假记载，朗源股份股票简称变更为“ST朗源”

Core Viewpoint - Langyuan Co., Ltd. has been penalized for false records in its annual report, leading to a change in its stock name to "ST Langyuan" and a one-day trading suspension [1][3]. Summary by Sections Company Actions - Langyuan Co., Ltd. disclosed that its 2019 annual report and subsequent correction announcement contained false records, resulting in a one-day stock suspension starting March 24, with trading resuming on March 25 under the new name "ST Langyuan" [1][3]. Financial Misstatements - The company acquired 51% of Guangdong Youshi United Holdings Group Co., Ltd. in December 2018, which was included in its consolidated financial statements. In 2019, Guangdong Youshi inflated revenue, costs, and profits through fictitious contracts, leading to an overstatement of Langyuan's 2019 revenue by 52.51 million, costs by 34.94 million, and total profit by 18.16 million, representing 9.03%, 7.94%, and 43.02% of the respective reported figures [1][2]. Regulatory Actions - The Shandong Securities Regulatory Bureau issued a warning and proposed a fine of 5 million for Langyuan Co., Ltd. for the violations. Key executives received individual fines and warnings, with the former general manager facing a 10-year market ban and the former chairman facing a 5-year ban [2].