... Applications include scissors, knifes, slitters, pump shafts, metal-forming tools, fixtures, tweezers, wire drawing rings, bearing sleeves and valves. ... ceramic pipe sleeve, ceramic loom plunger, ceramic seal ring, special shape ceramic, ceramic knife etc.Our own factory: located in ... , OHSAS 18001-1999 Export office: located in the Special Economic Zone - Xiamen High Temperature Zirconia Plunger