Spherical door lock is more common, refers to the door lock handle is spherical, the manufacturing process is relatively simple, the cost is low. There are many applications in our country, because of the poor safety, it is generally used for indoor door lock. The main materials of the product are iron, stainless steel and copper. Iron is used in the inner structure of the product, stainless steel is used in the shell, and copper is used in the lock core.
This means that the handle of the door lock is the door handle, the manufacturing process is relatively simple, and the cost is low. There are many applications in our country, because of the poor safety, it is generally used for indoor door lock. The main materials of the product are iron, stainless steel, copper and zinc alloy. Iron is used in the inner structure of the product, stainless steel is used in the shell, copper is used in the lock core, and the lock handle is made of zinc alloy.
