In modern life, door locks are not just barriers to entering a room; they are the first line of defense in protecting our homes and assets. Whether it's a residence, office, or other public places, choosing high-quality and reliable door locks is crucial. This article will detail the types of door l

1. First use a screwdriver to loosen the two bolts on the gusset plate on the inner side of the door; 2. After the two bolts on the gusset plate on the inner side of the door are loosened, you can loosen the gusset plate, connecting rods and the outside of the door. Remove all the handles of the doo