Due to the insufficient strength of windows and doors simply made of PVC profiles, stainless steel plates are usually added to the mold to improve the strength of the windows and doors. Therefore, plastic steel doors and windows made of aluminum profiles with stainless steel plates inside are genera

PVC (polyvinyl chloride) is a very low-maintenance, uncomplicated and lightweight material that can be used in many ways. Its high durability and weather resistance make it very popular in construction: Whether for flooring, windows, french doors, fittings, blinds or for roller shutter boxes and the