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该机由北京摩托车厂和沈阳铸造研究所共同研究设计、北京摩托车厂制造,并于1983年9月调试成功,随后投入生产BM021A新型三轮摩托车关键复杂汽缸体低压铸件。85年2月通过鉴定;该机在整机结构、设计
This machine was jointly designed by Beijing Motorcycle Factory and Shenyang Foundry Research Institute, and was manufactured by Beijing Motorcycle Factory. It was successfully commissioned in September 1983 and was subsequently put into production for the low-pressure die-casting of the key complex cylinder block of BM021A new three-wheeled motorcycle. February 85 passed the appraisal; the machine in the whole structure, design