由机电部济南铸锻机械研究所设计和由该所、漯河铸造机械厂、大连液压件厂等单位联合制造的JZ458型气流冲击造型机组,于1992年5月31日由河北省机电厅主持在河北省徐水县保定地区内燃机厂通过了投产验收。参加会议的有主管领导机关、科研院所、北京内燃机总厂等25个单位110位代表。与会代表一致认为,该气冲造型机组从设计、制造、安装、调试到投产仅用14个月的时间,投资少 Mechanical and Electrical Department of Jinan forging Machinery Research Institute designed by the Institute, Luohe Foundry Machinery Factory, Dalian Hydraulic Factory and other units jointly manufactured JZ458-type air impact modeling unit, on May 31, 1992 chaired by the Hebei Electrical and Mechanical Services Department Hebei Province Xuding Baoding internal combustion engine plant passed the commissioning. There were 110 delegates from 25 units participating in the conference, including leading organs, scientific research institutes and Beijing Internal Combustion Engine Plant. Delegates agreed that the gas-forming unit from the design, manufacture, installation, commissioning to put into operation only 14 months, less investment