The application investigation of Chongqing Daquan New Energy Co.,Ltd has been permitted for anti-dumping and anti-subsidy of America and South Korea solar polycrystalline silicon import together with Jiangsu Zhongneng Silicon Industry Technology Development Co.,Ltd, Jiangxi Saiwei LDK PV Silicon Technology Co.,Ltd and Luoyang Silicon Co.,Ltd. Recently, 2012 No.40 and No.41 announcements released by Commerce Department decided to investigate anti-dumping and anti-subsidy of solar polycrystalline silicon produced originally in America and South Korea from now on. Meanwhile, there will investigate the loss of China similar products enterprises caused by them and make the decision according to the law.