... of Ceramic Knives Special Micron Sic ... special purpose structural ceramics, engineering ceramics, functional ceramics, bulletproof ceramics, piezoelectric ceramics, ceramic seals, thermocouple device, ceramic bearing ... , heat-resistant ceramic, ceramic grassroots, high-frequency ceramics, textile ceramics, wear-resisting ceramics6. High-pressure spray nozzle, plunger pump7. Igniter8. Special ...