How many brands are norto doors and windows? Norto has aluminum and doors and windows, probably because it was the first aluminum enterprise, and later it developed and developed the doors and windows business at the same time. Therefore, in the doors and windows section, it is not a first-line brand, and at most it is a second-line brand. However, these brands are all means of online publicity, no authoritative organization says which brand is a brand. Therefore, as an agent or buyer, there is no need to investigate the brands. The most important thing is to comprehensively understand their real strength. How about enterprise products, services, cost performance, etc.
