We are the factory of door lock, focus on the twist-to-lock deadbolt door lock research, manufacture and wholesales.  Our door locks are install the different door----Patio door, wooden and metal and so on.  The Lock body is made from Zinc alloy, aluminum alloy and stainless steel.  We can accept the OEM and ODM orders, no matter if you are online or offline shop owner, welcome you become our new distributor that the owner of shop which located in the USA .