Group 1 - Hebei Guoliang New Materials Co., Ltd. has successfully passed the listing review by the North Exchange, becoming the second company from Hebei to be approved for listing this year [5] - The company, established in 2002, specializes in high-temperature industrial refractory materials and offers comprehensive solutions [7] - Guoliang New Materials focuses on the design, research and development, manufacturing, technical consulting, and general contracting of metallurgical engineering, along with sales of non-metallic minerals and products [7] Group 2 - The company's products primarily serve the steel metallurgy industry, providing high-performance, long-life, green, and low-carbon products [7] - Guoliang New Materials emphasizes technological innovation and green development, supported by a strong R&D team with extensive industry experience [7] - The company collaborates with institutions such as the Chinese Academy of Sciences and several universities to explore new materials, processes, and technologies in the refractory materials industry [7]