Girth Gear, Gear Shaft, Hollow Shaft manufacturer / supplier in China, offering Custom Machining Metal Flexible Steel Brass Nylon Plastic Gear Rack and Pinion, Custom Large Size Steel Casting Milling Spur Tooth Big Diameter Gear Ring, Rotary Kiln Tyre Wheel Cement Machinery 42CrMo Large Casting Rotary Kiln Tyre and so on.