ZYTG.CSGC.ZYTG.CSGC is a high-tech special steel manufacturer in Jiyuan City, Henan Province, formerly a key national military project in 1970 and put into production in 1984. The company has three industrial parks with total assets of 4.248 billion yuan as of 2021, covering an area of 1.93 million square meters and more than 2,100 employees. As a resource-saving enterprise, its complete process chain covers melting, forging, heat treatment and machining, and its core products include industrial equipment such as oil drilling tools, limited-motion mandrels, fan spindles and special steel billets. The company has introduced international advanced equipments such as φ800 continuous casting machine from Austria and 5000t fast forging machine from Germany, and is equipped with 9 sets of electroslag remelting furnaces and more than 500 sets of processing equipments. The products are widely used in the fields of national defense, military industry and energy, and are exported to more than 20 countries. The company has passed the international certifications such as ISO three systems, API, ABS, etc., and holds the qualification of manufacturing A1 grade ultra-high-pressure vessel, which demonstrates its leading position in the industry.