维尔利：因公司经营发展需要变更董事长

Group 1 - The chairman of Weili (300190), Li Yuezhong, has resigned from his position, considering personal circumstances and the need for adjustments in the company's operational development and governance structure [1] - Li Yao, the son of Li Yuezhong, has been elected as the new chairman of the company. He holds degrees from Xiamen University, University of Waterloo, and University of Michigan, and has been with Weili since 2016 [1] - A plan for share buybacks has been announced by several directors and executives of Weili, reflecting their confidence in the company's business transformation and future development prospects, with a total planned investment of between 6.5 million to 13 million yuan, including 5 million to 10 million yuan from Li Yao [1] Group 2 - Weili is transitioning from pollution control to energy business, having expanded into green energy sectors such as biogas, biofuels, and industrial waste resource utilization [1] - The company aims to achieve a sustainable development model by integrating traditional business with new energy initiatives, creating a symbiotic ecosystem between environmental and new energy businesses [1]