This week, ADC AC blowing agent  mainstream ex-factory price again raised 3500-5000 yuan / ton, the current price of Ningxia region 20,000 yuan / ton, the mainstream offer in East China 21,000 yuan / ton, since August 11, AC blowing agent price in two weeks cumulative price increase three times, corresponding to more than 70% increase. Major enterprises, Shilong Industrial, Jiangsu SoPo device full production, Ningxia Risheng operating rate of about 60% -70%.