以鹿野昭一先生为团长的日本制钢所大型铸锻技术考察团一行,于一九七九年四月六日至二十二日,参观和考察了沈重、上重和二重。在体现中日友好的气氛中、各厂的负责同志热情接待了日本朋友。考察团在参观和考察的过程中,分别向沈重、上重和二重的有关工程技术人员和负责同志,介绍了日本制钢所的发展历史,生产规模,以及有关大型铸锻件生产 The delegation of large-scale cast-forging technology of the Japan Steel Institute headed by Mr. Akino Luno had visited and inspected heavy, heavy, and heavy weights from April 6 to April 22, 1979. In an atmosphere of friendship between China and Japan, the responsible comrades of each factory warmly received Japanese friends. During the visits and inspections, the delegation visited the heavy, heavy, and heavy engineering and technical personnel and responsible comrades. They introduced the history of the development of the Japan Steel Institute, the scale of production, and the production of large-scale castings and forgings.