What are the specifications of the curtain wall
220 series, 250 series, generally use these two series more.
This is mainly to see what kind of specifications and materials you need, there are good brands, but the price of course, more expensive. Brand does not matter, then you can find a factory cooperation, I only bought these two, you can see more.
1: 200 series;
2: 220 series;
3: 250 series;
4: 300 series;
