After 49 years of development, it has developed into a large-scale design, research and development technology-based enterprise with smelting, rolling, heavy forging and environmental protection equipment technology as its main specialties, and complete machinery, electricity, liquid and basic parts, and established a modern enterprise system framework for parent and subsidiary companies. Specializing in the research and development, design, manufacture, installation and debugging of technologies and products of steel and nonferrous metallurgical equipment, large forging equipment, environmental protection equipment and its supporting equipment and basic parts, and undertaking technical work in planning, information, quality inspection and engineering supervision. With the integration of Shaanxi Metallurgical Design & Research Institute, Xi Zhong Institute will realize a historic leap from technology development, complete sets of equipment to general project contracting. The Institute has more than 700 full-time employees, including more than 500 professional and technical personnel, including academician of China Academy of Engineering 1 person, and more than 200 senior professional and technical positions, including more than 40 professor-level senior engineers. In the past 47 years, Xi Zhong has created more than 0/00 firsts of the New China, accumulated one million copies of drawings and materials of national large-scale equipment localization, and accumulated more than 900 scientific and technological achievements, of which hundreds have filled domestic gaps, and 175 has won national, provincial and ministerial awards; * * * applied for national patents 150, and a large number of achievements were transformed into real productive forces, making important contributions to national economic construction and industrial and technological progress.