Because of the continuous rain, the air humidity will be very high, and every corner of the house may become very wet. At this time, it will affect the use time of the door lock.

Because the quality of the hardware lock is good or bad, one of the criteria is the time of salt spray test. Because the metal is very easy to corrode and rust when exposed to humid air, the surface of hardware lock that is often contacted at home will be electroplated several layers or sprayed with paint to prevent direct contact between moist air and metal.

KOPPALIVE door locks are mainly made of copper, which is very durable and corrosion resistant.The design is very novel.
If you live in a relatively damp house. When you buy a door lock, it is important to choose a durable door lock.