"DNO" is a expert OEM manufacture.“DNO” series for its innovative designs, superb technology, users of the popular acclaim at home and abroad, products exported to Europe and America, Southeast Asia and more than 30 countries. In 2005, DNO products successfully to enter the Taiwan market and become a giant metal --- "Taiwan Jin Mao hardware stores," designated procurement tool brands. For enterprises, the quality and credibility of its existence and development of the cornerstone.