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Flow Stabilizing Chemical Resistant Efficient Ceramic Cylinder Liner. Dual-Layer Construction: 45# carbon steel outer sleeve with high-purity zirconia ceramic inner layer. Extended Service Life: Over 4000 hours of continuous work, 5-10 times longer than bimetal liners. Superior Wear Resistance: Resists grinding and erosion from sharp particles like cuttings and quartz sand. Corrosion and Heat Resistance: Withstands harsh downhole conditions, high pressure, and corrosive media. Full Customization Support: Supports OEM, ODM, and customization from samples or designs. 100% Interchangeability: Compatible with liners of major mud pump brands and models. Comprehensive After-Sales: Available warranty and technical support services included.