Gear Ring, Toothed Plate, Liner Plate manufacturer / supplier in China, offering Customizable Gear Rings OEM Diameter 8.1 Meters for Mineral Machinery Mining Grinding Machine Ball Mill Casting Steel Parts, Customizable Gear Rings OEM Diameter 9.8 Meters for Mineral Machinery Mining Grinding Machine Ball Mill Casting Steel Parts, Customizable Gear Rings OEM Diameter 7.8 Meters for Mineral Machinery Mining Grinding Machine Ball Mill Casting Steel Parts and so on.