The average number of doors open and close per day is about 12-15 times, about 5,500 times a year, and there is more in commercial space. The lock is the underlying security in the house. In addition to the appearance of the color, it also needs to be sturdy and durable. Hanssplus’s door lock structure design has passed 100,000 life tests and is available in various sizes, materials and surface treatments to suit customers’ needs.
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