U.S.A KINGKU BUILDING METERIALS GROUP LIMTED founded in 2006, it is a modern enterprise integrating R & D, production, sales and brand operation. It mainly produces thousands of varieties of intelligent fingerprint lock, mechanical lock, door control hardware home hardware and so on. After years of unremitting efforts, our products have been exported to nearly more than 20 countries and regions such as Europe, North America, the Middle East and Southeast Asia.