Description

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.