What is the difference between plastic steel plate and PVC pinch plate?
Plastic steel and plastic doors and windows are almost, PVC is the lowest level of plastic anti-aging, aluminum gusset plate is relatively thin, anti-aging and so on, is the best. Price and quality level is said to be proportional to, PVC two, thirty-one square, plastic steel about forty square meters, and aluminum buckle at about one hundred yuan a square.
Plastic steel, PVC and aluminium pinch plate are three different materials