Founded in the year of 2006, as the most professional and biggest manufacture of alarm locks. Yueqing kinbar lock co.,ltd are specializing in developing and producing locks. We have different kinds of locks, such as siren alarm padlock, alarm disc lock, alarm u lock, alarm cable lock, normal padlock, cable lock, u lock etc. Our main product is siren alarm lock. The only lock with built-in alarm, movement and shock sensor. They are used to protect peoples property by scaring thieves ...