今日申购：天溯计量、锡华科技

Group 1 - The company Shenzhen Tiansu Measurement and Testing Co., Ltd. is a national, comprehensive independent third-party measurement and testing service provider, focusing on measurement calibration, testing, and certification services across various sectors including biomedicine, automotive, new energy, rail transportation, energy power, light industry, and equipment manufacturing [2] - As of the signing date of the prospectus, the natural person shareholder Gong Tianbao directly holds 33.90 million shares, accounting for 69.31% of the total share capital, making him the controlling shareholder [2] - The company plans to raise approximately 423.90 million yuan for projects including the enhancement of measurement and testing capabilities at its Shenzhen headquarters, the construction of regional measurement and testing laboratories, the establishment of a digital center, and to supplement working capital [2] Group 2 - Jiangsu Xihua New Energy Technology Co., Ltd. focuses on the research, development, manufacturing, and sales of specialized components for large high-end equipment, primarily wind power gearboxes and injection molding machines [6] - As of the signing date of the prospectus, Xihua Investment holds 28.07 million shares, representing 77.98% of the company, making it the controlling shareholder [6] - The company intends to raise approximately 1.4978426 billion yuan for projects including the industrialization of core wind power equipment and the construction of a research and development center [6]