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In April 2018, the production of fully sealed piston compressors was 15.556 million units, an increase of 6.3% year-on-year, and sales of 16.246 million units, an increase of 11.4% year-on-year; by the end of April, the inventory of fully sealed piston compressors was 5.908 million units, an increase of 18.9% over the same period of the previous year. . Totally, the total number of sealed piston compressors was 53.046 million units, which was basically the same as last year; sales of 53.26 million units were up 1.8% year-on-year. In April, according to data indicators, the market for sealed piston compressors has begun to pick up, mainly due to the recovery of refrigerators. Affected by the industry profit in 2017, the company will take orders more carefully in 2018.