There are 5 series supports of Rotary Kiln, and they are Single Row Ball Type, Double Rows Differ Diameter Ball Type, Three Rows Ball Type, Cross Roller, Double Files Ball Type which are widely used in the industries of Engineering Machine, Construction Machine, Metallurgical Coal Mine Machinery, Shipping Port Machinery, Green Light Industry Machinery, Petrochemical Machinery, Filling Machine, Construction Vehicles, Military Equipment and so on. Items of this products includes various 195-3550 standard and nonstandard types, which are not only sold in China, but also exported to America, Germany, India, Australia, Singapore, Spain and so on. The main equipments are: Digital Control Lathe, Digital Control Driller, Grinder, Hobbing Machine, Gear Planer and Medium Frequency Heating Treating Facility, etc.