On the application of Deepak Nitrite Ltd., the Chinese Ministry of Commerce and Industry initiated an anti-dumping investigation against DSD acid (4,4'-diaminostilbene-2,2'-disulfonic acid) originating in China. The dumping investigation period for this case was from January 1, 2011 to March 31, 2012. The damage investigation period included April 2008 to March 2009, April 2009 to March 2010, and April 2010 to 2011. March and dumping investigation period (January 1, 2011 to March 31, 2012). Epoxy Hardener And Thinner,Epoxy Resin And Hardener,Resin Epoxy Hardener,Epoxy Thinner For Coating Changzhou Dahua-Luckypower , https://www.lpsiliconeemulsion.com