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浙江平阳县内燃机配件厂在上海内燃机研究所的帮助下研制了镶耐磨圈铝活塞,经过多次改进和使用试验,取得成功,于1991年1月9日通过鉴定。鉴定会由浙江省机械厅委托温州市工业经济委员会主持。参加鉴定会议的有上海内燃机研究所、温州冶金机械厂、杭州柴油机总厂、富阳动力机厂、新昌柴油机总厂、巢湖柴油机厂和有关主管部门等的代表约
Pingyang County, Zhejiang Internal Combustion Engine Parts Factory in Shanghai Institute of Internal Combustion Engine developed inlaid with wear ring aluminum piston, after repeated improvements and the use of tests, to be successful, in January 9, 1991 passed the appraisal. Identification will be commissioned by the Zhejiang Provincial Office of Machinery Industry Wenzhou Economic Committee presided over. Representatives from Shanghai Internal Combustion Engine Research Institute, Wenzhou Metallurgical Machinery Factory, Hangzhou Diesel Engine Factory, Fuyang Power Machinery Factory, Xinchang Diesel Engine Factory, Chaohu Diesel Engine Factory and other competent departments attended the appraisal meeting