window pulley

various window/door pulley transmission pulley 1) Plastic pulley outer ring is made of plastic materials (POM, PP, PA, nylon), with excellent surface for sliding windows and doors 2) Inner ring is made of brass or carbon steel with zinc/brass plated, with excellent resistance to corrosion capacity 3) Color of plastic outer ring: according to customers' requirements 4) With long life performance 5) competitive FOB price, perfect after market service 6) flexible payment term, support small quantity delivery 7)Quality garantee of ISO9001 8) OEM,the materials according to the customers' requirments