According to order No. 17 of the Ministry of Petroleum Industry (82), Jichai started the research and development of high-power turbocharged natural gas engine in 1982.From 1984 to 1988, three prototype tests were carried out in the laboratory and 10,000 hours of industrial tests were carried out in Shengli Oilfield, It was certified by the state as 600kW/1000r/min externally mixed supercharged high-power gas engine on Oct.12,1988. After years of continuous improvement, the products have been serialized and widely used in various oil fields and gas applications, which have brought great economic benefits.