... conditioning is used, given they use air for 10 hours in the daytime, the night time for ... Suppose that an office building uses the air conditioning 10 hours in the daytime, 8 hours in the ... and 80,000 RMB only if it is steel frame structure. So it takes 2 year at most to recover ... making speed, compact structure, energy saving, etc. It has become the trend of development of international ice storage ...