Dongying Rich Chemical Co., Ltd. iherereye mu majyepfo y’umugezi w’umuhondo muri Shandong Qilu Pearl-Shandong Dawang zone y’iterambere ry’ubukungu, yashinzwe mu 2006, ni isosiyete y’ibanze y’ibicuruzwa biva mu mahanga n’ibicuruzwa byoherezwa mu mahanga.