Function for passage and hallways. A simple down turn so you can open the door. It is convenient for our daily usage.
Apply to the interior doors, turning the knob to lock the door and opening the door with a mechanical key.
Make OrderRaw Material:
Hallmark Locks door handles adopt 3# zinc alloy which contains about 0.042% copper, can increase the hardness of the door handles.
Electroplating Technique:
Hallmark Locks adopts high temperature electroplating, about from 120? to 130?. It can provide better finish and longer service life for door handles.
Electroplating Layer:
Hallmark Locks door handles are mostly with 7-8 electroplating layers.
Polishing Technique:
Hallmark Locks sets up a clear standard for inspection, can not accept the blister products, waves products and out of shape products.