How to purchase and choose door and window hardware

At present, most consumers do not know enough about the hardware of doors and windows when purchasing doors and windows, and lack correct judgment and sufficient understanding. It can be said that the door and window hardware is the core of the whole door and window, including handles, locks, hinges, etc., and each component plays a significant role.
1. Stainless steel handles and other stainless steel "hardware" can be wiped with brightener to add brightness.
2. The hinges, hanging wheels, casters and other moving parts of door and window hardware may reduce their performance due to the adhesion of dust during a long time of movement. One or two drops of lubricating oil every six months or so can keep them smooth.
3. The door and window hardware shall pay special attention to the rotation and stretching direction of the handle, and avoid using dead force. In particular, children should be educated not to swing on the door handle, which is easy to cause danger and damage to the inner door.