Group 1 - The company signed a technology transfer contract with the Changchun Institute of Optics, Fine Mechanics and Physics for the licensing of patented technologies, paying a fee of 2 million yuan, with a contract validity of one year [1][27]. - The Changchun Institute holds a 41.40% stake in the company, making it a controlling shareholder, and has a strong financial position with total assets of approximately 967.55 million yuan and net assets of about 427.91 million yuan as of December 31, 2024 [2][3]. - The technologies licensed include several patented inventions related to optical and mechanical systems, which are crucial for the company's main products, such as optical theodolites [4][27]. Group 2 - The purpose of the transaction is to enhance the company's technical capabilities in the integration of optical and mechanical systems, addressing existing technical deficiencies in system testing and correction [27]. - The pricing of the transaction was determined based on market rates, ensuring fairness and compliance with relevant regulations [26][27]. - The independent directors unanimously approved the transaction, affirming that it aligns with the company's operational needs and does not harm the interests of minority shareholders [28][29].