The main products produced by the company are mainly used in energy, transportation, ships, rolling machinery, mining and coal machinery industries. At present, the company has become an excellent supplier of large-scale steel castings in the field of equipment manufacturing in the world. The company has always been committed to the development, development and production of large-scale core heavy steel castings with high technology content. It has a provincial technology research and development center, and has become a high-tech enterprise. The company has always been committed to innovative research and development in the production of high-end high-quality steel castings, taking improving the original quality of castings to international advanced levels, improving the delivery quality of castings, and achieving zero customer complaints as the direction of the company's efforts. Manufacturing “zero defects” castings is the company's goal, and substantial progress has been made in recent years. In high-difficulty, high-standard products such as heavy duty combustion engine compressor exhaust cylinder blocks, turbine outer cylinders, internal cylinders, ultra-supercritical valves, and rail transit internal combustion engine bogies, etc., high-quality mass manufacturing has been achieved; the manufacture of major components of water turbines, such as upper crowns, lower rings, blades, wheel bodies, guide vanes, thrust heads, etc., has achieved “zero defect” castings in multiple sets of units. After several years of hard work, the quality of the company's steel castings has reached the international advanced level. The company is a key enterprise with outstanding technical advantages in segments such as supporting castings for thermal power and hydropower equipment and supporting castings for rail transit. With its continuous innovation, accumulation, and continuous optimization of manufacturing processes and quality management, the company has successively become a qualified supplier for the three major domestic power generation equipment groups and multinational companies such as Toshiba, General Electric Group of the United States, and Alstom of France. In the field of thermal power, Ningxia Sharing Group Co., Ltd., Double Group (Deyang) Heavy Equipment Co., Ltd., Dalian Huarui Heavy Industry Group Co., Ltd. and the issuers are the four leading manufacturers of large castings supporting thermal power in China; in the field of hydropower, the company has passed the review by the Three Gorges Project Construction Committee of the State Council and is qualified to supply 700,000 kilowatts of large-scale hydroelectric generator supporting core castings for the Three Gorges Project, and has strong technical advantages in the large-scale steel castings industry supporting hydroelectric power generation equipment. The company's EPS is expected to be 0.90 yuan, 1.04 yuan, and 1.14 yuan after dilution in 15-17 years. The main products produced by the company are mainly used in energy, transportation, ships, rolling machinery, mining and coal machinery industries. The estimated pricing range on the first day of listing is 13.46-15.51 yuan, and investors who have won the bid are recommended to hold it.