Plastic window is the late fifties of this century, first developed by the West Germany, in 1959 to begin production. The first plastic windows are single plastic structure, relatively simple, rough, with the 1972 global energy crisis, the…

Plastic window is a kind of window that the country actively promoted after the wood, iron and aluminum alloy window in the mid-90s. Due to its lower price, better performance and price, it is still widely used. The window frame is made of…