Qingdao Puhua Heavy Industrial Group i whakatuhia i te 2006, ko te moni kua rehitatia neke atu i te 8,500,000 taara, te rahinga o te rohe tata ki te 50,000 mita mita. Kua paahihia e ta maatau kamupene nga tohu CE, ISO. Ko te hua o a maatau hua kounga-nui, ratonga kaihoko me te utu whakataetae, kua kawe atu taatau miihini ki nga whenua neke atu i te 90, penei i USA, Russia, Germany, Australia, Saudi Arabia, Brazil, Ukraine, Egypt, India, Vietnam etc. .