1 Spur Gear manufacturer 2. Modules:1-6 2.Delrin, steel, stainless steel, alluminum, bronze and plastic 3. ISO9001:2008 Reach Jiayuan Spur Gear Most popular form and the most efficient gear.Production range1. Maximum diameter: 1000mm2. Modules:1-6M3.Gear precision: class 44.Material: Delrin, brass, steel, stainless steel, alluminum and plastic5.Serface treatment: zinc plating, nickle plating, ...