Door and window wheels with plastic pulleys are of various types, styles and colors, both practical and decorative. They are waterproof, corrosion resistant and have a good load-bearing performance, so it can be used for a long time.

There are many kinds of metal pulleys for doors and windows, such as cooper pulleys, stainless steel pulleys, alloy pulleys and so on. The metal pulley has great hardness, so its bearing performance is good. It is more suitable for use as a large weight door and window pulley.