Ua hoʻokumu ʻia ʻo Qingdao Puhua Heavy Industrial Group i ka makahiki 2006, ka huina nui i hoʻopaʻa ʻia ma luna o 8,500,000 kālā, ʻo ka nui o kahi kokoke i 50,000 square meters. Ua hala kā mākou hui i nā palapala CE, ISO. Ma muli o kā mākou huahana kiʻekiʻe, lawelawe lawelawe a me ke kumukūʻai hoʻokūkū, ua lawe mākou i kā mākou mīkini i nā ʻāina ʻoi aku ma mua o 90, e like me USA, Russia, Kelemānia, Australia, Saudi Arabia, Brazil, Ukraine, Egypt, India, Vietnam etc. .