在国家质量监督局于一九九0年九月二十七日公布的一九九0年获国家质量金质奖的九十个项目中,我厂制造的SS_3型电力机车排列第二。这是电力机车整机第一次获国家级质量金奖。 SS_3型电力机车是我厂批量生产的主型机车,在四年多创优过程中,先后在设计和工艺上进行了39项较大改进,使机车性能和质量不断完善和提高。今年五月份,该型机车以关键项点合格率100％,主要项点合格率97.5％,通过国优现场复验后,工厂多次 Among the 90 projects awarded the State Quality Gold Award in 1990 by the State Quality Supervision Bureau on September 27, 1990, SS_3 electric locomotives manufactured by our factory ranked second. This is the first electric locomotive machine won the national quality gold medal. SS_3 electric locomotive is the main locomotive mass-produced by our factory. During the process of more than four years of excellence, we have made 39 major improvements in design and technology so as to continuously improve and enhance the performance and quality of the locomotive. In May this year, the locomotive to the key points of pass rate of 100%, the main points of pass rate of 97.5%, after passing the Guoyu site retest, the factory several times