Main purpose of the product: water race equipment filter pump with ceramic shaft; Ceramic plunger for high pressure cleaning machine; Chemical, chemical industry, petroleum industry use wear-resisting, acid-proof alkali, high strength ceramic shaft component; Precision machinery wear, corrosion resistant, high temperature mechanical parts; Push rod, connecting rod, bearing, cylinder liner, piston cap, etc. Semiconductor features, can be made into high temperature heating elements, the use of temperature up to 1600 ° C; Good corrosion resistance, it can be used as a special refractory material and casting mouth, used as a crucible for smelting platinum, palladium, rhodium, etc., steel water barrel, flow steel tank lining, etc. Good sensitivity, can be used as gas sensor, can also be made into high temperature fuel cell solid electrolyte diaphragm, steel liquid oxygen probe, etc.