Dongying Rich Chemical Co., Ltd. o loʻo i le pito i saute o le Vaitafe Samasama i Shandong Qilu Pearl-Shandong Dawang sone atinaʻeina o le tamaoaiga, na faavaeina i le 2006, o se faʻatauga faʻatau oloa faʻatau oloa ma kamupani faʻatau atu.