Core Viewpoint - The article summarizes important announcements from various listed companies in the Shanghai and Shenzhen stock markets, providing insights for investors regarding their operational status, strategic moves, and financial activities [2]. Company Announcements - Lijun Co. confirmed that its operational status is normal and there are no undisclosed significant matters affecting its stock price, despite recent trading volatility [3]. - Wolong Nuclear Materials plans to issue H-shares and apply for listing on the Hong Kong Stock Exchange to enhance its international strategy and brand image, pending shareholder and regulatory approvals [4]. - Aikelan announced the termination of a share transfer agreement with a private equity fund, which will not affect the company's control or governance structure [6]. - Wanda Film's subsidiary plans to invest in Lezi Tiancheng and engage in strategic cooperation, focusing on IP toy product development and marketing [7]. - Sunshine Nuohuo intends to acquire 100% of Jiangsu Langyan Life Science Technology Co., enhancing its R&D and production capabilities, with stock resuming trading on May 13 [8]. Shareholding Changes - Ruineng Technology's controlling shareholder plans to reduce its stake by up to 2.89% through block trades and public offerings, with a reduction period from June 4 to September 3, 2025 [9]. - Tianqiao Hoisting's controlling shareholder plans to increase its stake by investing between 75 million to 150 million yuan, with a maximum purchase price of 5 yuan per share [10]. - Boyun New Materials' shareholder plans to reduce its stake by up to 3% within three months starting from June 5, 2025 [11]. Share Buybacks - Guomai Culture plans to repurchase shares worth between 50 million to 100 million yuan, with a maximum repurchase price of 16 yuan per share, to be completed within 12 months [12]. - Haizheng Pharmaceutical intends to repurchase shares worth between 50 million to 100 million yuan for an employee stock ownership plan, with a maximum price of 13 yuan per share [13]. Major Contracts - China CNR recently signed significant contracts totaling approximately 54.74 billion yuan, accounting for about 22.2% of its projected revenue for 2024, covering various sectors including urban rail vehicles and wind energy equipment [14].