双良节能：签署货物及服务采购框架协议 三年累计交易金额上限为人民币6,900万元

Core Points - The company has signed a procurement framework agreement with Huiju Technology Co., Ltd. for the purchase of heating-related equipment, materials, and services [1] - The expected annual procurement and service total is capped at RMB 23 million, with a cumulative transaction limit of RMB 69 million over three years [1] - The agreement is effective from January 1, 2026, to December 31, 2028, and has been approved by the company's board of directors [1]