EC21 Buying Leads Catalogs - j acid urea http://importer.ec21.com/buy_leads/j acid urea.html Buy Business Inquiryhttp://www.ec21.com/offer_detail/Buy_Business_Inquiry--8081457.htmlUrea granular 46%,Crude tar pitch,sodium metabisulphate,sodium hyposulphite,caustic soda flakes,oxalic acid,formic acid20090616