Features: 1) Compared with the traditional wooden, steel and aluminum profiles, PVC plasticdoor and window profiles have the following strong points: good endurance(usually above 30-year life), fine airproof (can save 10% of energy and caneffectively reduce the noise outside compared to the traditional ones), niceprocess (easy to process, and can save time and labor) 2) Made by plastic profiles 3) Beautiful and endurable, ideal product for replacing the traditional profiles 4) 88 push-and-pull type