Linglong Tire: Due to significant changes in the investment project, the company failed to disclose in a timely manner. The Shandong regulatory authority issued a warning letter to the company.

On June 10, 2021, Shandong Linglong Tire Co., Ltd. disclosed a "Announcement on the Foreign Investment of Shandong Linglong Tire Co., Ltd.", planning to build a project for the production of 15.2 million sets of high-performance radial tires and 500,000 sets of retread tires in Tongchuan. However, in October 2025, significant changes occurred in the aforementioned investment project, which the company failed to disclose in a timely manner, violating Article 26 of the "Measures for the Administration of Information Disclosure by Listed Companies". The Shandong Regulatory Bureau decided to issue a warning letter to the company as an administrative regulatory measure and to record it in the integrity file database of the securities and futures market.