Low temperature keep constant of a refrigeration equipment. Also is
a kind of making food or other items to be constant temperature of
cold are civil products. There were the compressor, the ice machine
to icy ark or boxes; With refrigeration storage box. The volume of
domestic refrigerators usually *0 to **0 liters for. In ***0,
world's first compression type refrigeration household
refrigerators in the U.S. market. In ***5 Sweden lido company
developed residential absorption refrigerators. In ***7 the
American general electric company developed the fully closed the
refrigerator. In ***0, using different heating mode of air cooling
continuous diffusion absorption refrigerator put on the market. In
***1, we successfully developed new refrigerant freon *2. The
second half of s began to produce household thermoelectric
refrigerators. China from the s began production of the
refrigerator.
