Qingdao Puhua Heavy Industrial Group e guzobere na 2006, ngụkọta aha isi n'elu 8,500,000 dollar, ngụkọta ebe fọrọ nke nta 50,000 square mita. Ụlọ ọrụ anyị agafeela OA, asambodo ISO. N'ihi ngwaahịa anyị dị elu, ọrụ ndị ahịa na ọnụahịa asọmpi, anyị ebupula igwe anyị n'ihe karịrị mba 90, dịka USA, Russia, Germany, Australia, Saudi Arabia, Brazil, Ukraine, Egypt, India, Vietnam wdg. .