永泰能源：公司控股股东永泰集团近三年整体经营与发展正常，公司未知悉其是否有增持计划

Core Viewpoint - Yongtai Energy (600157) stated that its controlling shareholder, Yongtai Group, has been operating and developing normally over the past three years, and the company is unaware of any plans for share buybacks [1] Group 1 - Yongtai Energy's controlling shareholder has maintained normal operations and development for the last three years [1] - The company has no knowledge of any potential share buyback plans from its controlling shareholder [1]