Product Description 1) Compared with the traditional wooden, steel and aluminum profiles, PVC plastic door and window profiles have the following strong points: good endurance (usually above 30-year life), fine airproof (can save 10% of energy and can effectively reduce the noise outside compared to the traditional ones), nice process (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) Many series models and specifications of PVC profiles can meet customers' different needs for door and window installation