The high quality accessories have a huge effect on the service life and  practicality of the aluminum alloy doors and windows.

1. Hinge
Hinges  are common hardware fittings for aluminum alloy doors and windows connecting frames and sashes. Due to the high opening frequency of the sash, the quality of hinges is very important. Opening and closing effects, durability, smoothness, and silence are the most basic functional requirements. Good hinges are hard to lift by hand, and the reeds are solid. The mechanical folds are not shaken. When they are closed to 15 degrees, they will spring back automatically and the spring back force will be very even.

2. Hardware accessories
Maintenance: Try to keep the doors and windows tidy and dry, avoid the hinges and other hardware in the humid air; every 2-3 months can regularly add some oil, gently wipe with a dry soft cloth; if it is found that the surface is difficult to remove the black spots, can be wiped with a little kerosene, do not use chemical cleaning agents or acidic liquid cleaning.

3. Friction stay
These track-type hardware accessories have common features. Whether sliding doors and windows are smooth or not, whether the flat open doors and windows is smooth or not, depends on the function of the sliding rails and the sliding support. There are two common styles of roller rails and steel ball rails on the market. You can take a look at the samples when you buy them and press hard with your hands to see if being loose, no noises, and the good pulleys should be free from obstruction and noise. The curing method is the same as the hinge.

4. Handle
As a part of the push-pull auxiliary cabinet, there are many kinds of door lock handles, such as wood, stainless steel, zinc alloy, iron, aluminum alloy, and a few crystal plastics. In general, handles and aluminum alloy doors and windows are supporting, if you want to reconfigure, we must pay attention to the overall coordination with the doors and windows, size, shape and pattern.

Maintenance, because the handle is a common accessory, if the time is long, the screws are easy to loosen, and you should always pay attention to the screw position. In addition, do not place wet towels or the like on the handle and cause corrosion to the handle.

The long service life of aluminum alloy doors and windows and the selection of high-quality hardware accessories are extremely important. The maintenance and repair work in the later period cannot be ignored. In this way, a large amount of maintenance costs can be left.