Tips for Selecting the Cylinder Lock
Generally speaking, all cylinder locks need electroplating, spraying or coloring before leaving the factory, which are beneficial to the cylinder door lock itself. After these steps, protective film will be formed on the surface of the cylinder lock, which can prevent corrosion and oxidation. The feel and the weight between normal goods and inferior goods are different. If the producer cuts corners when making the lock, which is generally made of hollow inferior materials. Such a lock is...