Lock body,is the part of the door lock where you insert the key.When it is locked,the cylinder engges a series of spring-loaded pins which keep the cylinder from turning.When you insert a key,the uneven edge pushed the pins upward to fit the key's height in that location within the lock body. Essentially,it recognizes the correct key when the pins move into their proper places.This opens the cylinder,allowing the bolt to move,and you to open the door.Provides a premium quality material that ensures durability and ergonomically design. Embllished with a generous craftsmanship that offers immense utilisation.We have various different kinds of door handle items.Such as,door handle on plate or stainless steel door handle. As well we will develop some new door hardware accessories by ourselves. We also OEM for our customers with developing the new moulds for the tubular&knob lock designs.