1. Spherical door lockSpherical door lock refers to the handle of the door lock being spherical, with a relatively simple manufacturing process and low cost. It is generally used on indoor door locks. The main materials of its products are iron, stainless steel, and copper; Iron is used for the inte Read More

1. Zinc alloyIf the door lock is made of zinc alloy material, its hardness and rust resistance are poor, and even thick electroplating can easily fade, darken, rot, and bubble. However, its advantage is that it is easy to make complex patterned parts, especially pressure casting. The more complex pa Read More