Qingdao Puhua Boima Industrial Group ho ile ha thehoa ka 2006, palo yohle motse-moholo oa ngolisitsoeng fetang 8,500,000 ya dollar, sebakeng kakaretso hoo e ka bang limithara tse lisekoere 50,000. Khampani ya rona li fetile CE, ditefikeiti ISO. Ka lebaka la lihlahisoa tsa rona tsa boleng bo holimo, ts'ebeletso ea bareki le theko ea tlholisano, re romelletse mochini oa rona linaheng tse fetang 90, joalo ka USA, Russia, Germany, Australia, Saudi Arabia, Brazil, Ukraine, Egypt, India, Vietnam jj. .