Gear, Spur Gear, Gear Shaft manufacturer / supplier in China, offering Heat Treatment Quenched Toothed Steel Alloy Black Oxide Steel Material 0.5 Meters Metal Bevel Gear 1.5 Mod Bevel Gear, High-Precision CNC Machining Small Worm Gear Pinion Spiral Shaft Custom Lathe Processing Steel Bronze Gear Hobbing Processing, High-Precision Custom Metal Steel Pinion Worm Shaft Spur Gear Shape for Industrial Gear Hobbing Applications and so on.