On December 12, 2012, including production enterprises, China\'s largest air conditioning company gree, four companies signed an agreement in Beijing industrial and commercial air conditioning, can fully eliminate refrigerants as hydrogen (CFCS) commitment. Environmental protection international cooperation center, United Nations development programme, China refrigeration and air conditioning industry association representative to attend the signing ceremony. As is the atmosphere of one of the killer. Performance of the Montreal protocol at present in China\'s main task is to \"accelerate elimination as, by 2013 as the production and consumption in the baseline level, to the use of the full stop as 2030. (source: China news picture)