Kamfanin Dongying Rich Chemical Co., Ltd. yana cikin kudancin kogin rawaya a yankin ci gaban tattalin arziki na Qilu na Shandong Pearl-Shandong Dawang, wanda aka kafa a shekarar 2006, kamfani ne na siyar da kayan sinadarai na asali da kuma mai da hankali kan fitarwa.