Group 1 - The company plans to provide guarantees for its wholly-owned subsidiary Hebei Leheng Energy Saving Equipment Co., Ltd. and its controlling subsidiary Hebei Daheng Machinery Equipment Co., Ltd. The guarantee amount is up to 100 million yuan for Leheng Energy Saving and up to 5 million yuan for Daheng [9][12] - The total amount of guarantees provided by the company for these subsidiaries as of December 31, 2024, is 4.1748 million yuan, with no overdue guarantees [15][17] - The board of directors has approved the guarantee proposal, which will be submitted to the shareholders' meeting for further approval [9][15] Group 2 - The company intends to change part of the raised funds originally allocated for the "Annual Production of 800 Sets of Chemical and Pharmaceutical Equipment Project" to a new project, "Screw Compressor Industrialization Construction Project," with a total amount of 29 million yuan [31][32] - The remaining uninvested raised funds for the original project amount to 46.3369 million yuan, which will continue to be used for the original project's investment [31][35] - The new project aims to enhance the company's competitiveness and efficiency in fund usage, with an expected annual revenue of 117.5 million yuan after reaching normal operation [49][50] Group 3 - The new project will be implemented by Hebei Leheng Energy Saving Equipment Co., Ltd., focusing on producing high-efficiency screw compressors and variable frequency screw compressors [38][39] - The project is expected to have a construction period of two years and aims to meet the growing market demand for energy-efficient and environmentally friendly equipment [39][48] - The project is projected to achieve an internal rate of return of 14.2% after tax, with a payback period of 7.76 years [49]