... Zinc Plating, Hard anodized, Nitriding, Dichromate.3. Teeth Number is from 9 to 216.Specifications1.high quality and most competitive ... we have: Our factory is located at Meishan, Sichuan province, China(Mainland).What we manufacture and where we sell:timing belt pulleys ... Spain,Germany,Italy,Poland and other regions and countries.What we can offer you:power transmission components at a competitive ...