has over 12 year’s experiences manufacturing & suppling Architectural Hardware for Metal Doors, Fire Rated Door &  Wooden Doors  in China, such as Stainless Steel Door Hinges, Door Locks, Lever Handles,  Door Closers, Exit Devices, Door Stopers, Door Bolts and Door Accessories etc, not only door hardware but also Door Opening Solution.

The lock cylinder is the main part that controls the unlocking of the lock, and is an important part of the lock. The lock core and the key can rotate and drive the core of the lock bolt. The following explains the operation of the unlocking core with the European-style lock cylinder as the main explanation. [Read More]