Traditional door locks require two additional screw holes to be drilled on the door during installation, which not only takes time and time, but also requires relatively high size and horizontal dimensions, which is difficult for non-professionals to install. The company's block handle products have broken through all the disadvantages of traditional handle installation. As long as the positioning hole is opened in the door, it can be easily installed by both men and women, young and old, and has obtained a national patent.
