The first thing to consider is whether the force principle of the sash is reasonable or not. The single suspended frameless window will be deformed for a long time, which will bring you inconvenience and insecurity.
Secondly, the thickness of aluminum should be considered. Aluminum is the key factor in determining the price of doors and windows, quality of use and long-term use. At the same time, attention should be paid to the composition of aluminum materials. Many low-grade materials have high content of recycled aluminum, causing serious quality problems. . Again, the rust and corrosion resistance of the parts must be taken care of to ensure the material of the parts.
In addition, the glass must have a national 3C certification. Finally, the market's brand reputation is a guarantee of perfect after-sales service.