Nowadays, there are many types of door-to-door smoking on the market, and the quality is also uneven. When choosing a door stopper, everyone should choose high-quality ones, so that the quality is more reliable. In fact, the price of the door stopper is not too expensive. Everyone should try to choo

Fire doors should be kept closed at all times – a door closer ensures that the door will mechanically close automatically after it has been opened.Most closers feature dampers which offer a level of control over the force and speed at which the door closes. This cushion is especially crucial on part

Open the door, so that not only the inner but also the outer door handle can be operated at the same time. Locate the 2 screws on the inside door handle cover, these screws together hold the inside and outside door handles. 2. Use a Phillips screwdriver to turn the two screws counterclockwise, and

Different doors have different heights and thicknesses, so the installation position of the door hinge also needs to change accordingly. Therefore, there is no standard installation position for door hinges, which is carried out according to most installation standards in the market.Next, let's talk

The first thing is to keep the door open, as it allows for better operation and allows you to simultaneously operate the inside and outside door handles. Then locate the screws on the inner door handle cover. 2. Use a Phillips screwdriver to rotate the two screws found counterclockwise.After