上海航空机械制造厂积十多年全封闭制冷缩压机的制造经验,在消化吸收国外样机的基础上自行设计、制造了Q2.5GS全封闭双缸活塞式制冷压缩机,并于1991年7月通过鉴定。经过半年多来的小批生产、工艺改进和反复试验,性能指标已达到当今国际先进水平,并获得1991年上海市优秀新产品三等奖。 Shanghai Aerospace Machinery Manufacturing Co., Ltd. has accumulated more than ten years of experience in the manufacture of fully enclosed refrigeration shrinkers, designed and manufactured its own Q2.5GS fully-closed double-cylinder piston refrigeration compressor on the basis of digestion and absorption of foreign prototypes. Month passed the appraisal. After more than half a year of small batch production, process improvement and trial and error, performance indicators have reached the international advanced level today, and won the third prize of outstanding Shanghai new products in 1991.