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Shanghai Companion is a leading provider of advanced materials and application solutions for high-end manufacturing. The company offers a comprehensive range of advanced ceramic materials, including oxides (such as alumina, yttria, and zirconia), nitrides (such as aluminum nitride and silicon nitride), carbides (such as sintered silicon carbide and chemical-vapor-deposited silicon carbide), and composite materials (including porous ceramics, ultra-high-temperature materials, and functional ceramics). Its product portfolio includes ceramic domes, bell jars, spherical covers, robotic arms, rings, vacuum chucks, cavity liners, guide rails, mounting platforms, insulators, nozzles, and custom-shaped ceramic components. These products offer high hardness, excellent wear and corrosion resistance, and reliable electrical insulation, making them suitable for demanding applications such as high-temperature sintering, corrosive acid and alkaline environments, and high-voltage insulation. They are widely used in electronics, telecommunications, automotive, machinery, life sciences, and other industries.