Door lock is above one of the more important a part of the door, a door key and lock, generally at the time of purchase locks will delivery a few spare keys, but if the spare keys are lost or not enough use, consumers also need to match other keys.
Note: some of the key billets are metallic, but they are very poor. They can't be worn for long, and they can be broken. These keys only by the naked eye look not to come out, but as long as the hard surface, such as cement floor or glass desktop with a throw can be the difference between a - good metal billet is fragile metal, while the poor is similar to the collisions between the plastic and rigid mesa of dull dull sound. Bad keys broken into two sections often happen, the head section is broken in the keyhole. In order to remove the half with great strength, lock are unloaded, but actually solved using a qiao awkward, with only wood screw (maybe) better fast, insert the screw tip carefully keys gap between head and hole, need not much, go toward outside a pick to pick out.
Key material has many of the key manufacturers provide consumers with a plastic keys, plastic keys, metal key and now used by more and more intelligent remote control keys, products are exported to Europe and the United States, India, the Middle East and other countries and regions, was widely welcomed and praised.