西子洁能：主要下游企业为钢铁、建材、石化、水泥、化纤等高耗能企业

Group 1 - The company primarily serves downstream industries such as steel, building materials, petrochemicals, cement, and chemical fibers, which are high energy-consuming sectors [1] - The company also caters to five major power companies and power plants that utilize clean energy, as well as engineering companies and design institutes [1]