Plastic steel profile referred to as steel, the main chemical composition is PVC, it is also called PVC profiles. Is widely used as a new type of building materials, because of its physical properties such as rigidity, flexibility, corrosi…

Plastic profiles are used for the production of doors and windows with PVC profiles, as early as the late 1950s has been in Germany, China began in 1983, began in the late 1990s began universal application. Because the simple use of PVC pr…