To date, there are more than 200 large and still so many medium-sized producers of metal structures, as well as about 600 'garage' of producers with a small volume of production. At the same manufacturer have an average of 10 dealers, not counting the windows installers haggling. Most running profiles, to trust, are such famous brands as: ALMplast, Rehau, Winbau, Veka, Wintech, EsoPlast, kbe, Salamander. Most major manufacturers are Window Systems, anp Trading, Accord, Olt, Standard Window, Gazda, Corsa, Vikonda, esco. Rapidly growing market for plastic windows today is still quite chaotic. But the similarities are all manufacturers and all relevant systems. 90% of manufacturers are selling windows with a 3-chamber profile, offering its customers a glass width of 32 mm or with energy-saving glass, and comes with accessories iacs, Roto, rhombus, Vorn.
Most major window manufacturers are working with 2-3 profiles. Each has its own office with highly qualified specialists, which quickly calculates the preliminary cost of construction and to answer any your question. All firms that sell 5 7.10 profiles are dealers. Since each profile requires a slightly different hardware, special cutters, special equipment for the assembly of structures, different Temperature for soldering profile. And this in turn requires a huge industrial area, a large number of expensive equipment that is configured for each profile system, personnel trained to work for a particular purpose. Despite the fact that the crisis has reduced the volume of construction, sales, respectively, the window market has not ceased to exist, and even began to evolve rapidly, due to the fact that the market gone small dealer and small-scale producers. And their niche in the market have taken those who competitively capable.