On April 28, the environment in guangdong shenzhen launched \"Chinese public fill day action - hydrogen CFCS out community campaign\". In the future, this activity will be in Beijing and other large and medium-sized cities continue to promotion. Household air-conditioning industry in China will be using R290 as the main alternative refrigerants, and will be completed before 2015 18 R290 air-conditioner production line modification, gradually reducing hydrogen use of CFCS. May 1, the new national standard \"household and similar electrical appliances safety special requirement of heat pump, air conditioner and dehumidifier will be officially implemented. XiaoXueZhi says, this means that the air conditioning refrigerant replacement, eliminating hydrogen CFCS, formally in our country in line with international standards. (source: xinhua news agency)