Core Insights - The company Huaguang Huaneng reported a total order backlog of 1.66 billion yuan for its boiler equipment as of June 30, 2025, which includes 610 million yuan for environmental boilers, including waste heat boilers [2] Group 1 - The total order backlog for the company's boiler equipment is 1.66 billion yuan [2] - The order backlog for environmental boilers, including waste heat boilers, amounts to 610 million yuan [2]