High-performance polymer material made by molding and turning processes, including PTFE plates. It boasts excellent resistance to extreme temperatures (-180℃ to 260℃), corrosion resistance, low friction coefficient, non-stick property, and strong insulation. Its stability is outstanding. Its applications are diverse, serving as industrial sealing parts, mechanical sliding components, lining for chemical equipment, and is also suitable for food processing, medical instruments, insulation for electronic equipment, and can adapt to various stringent working conditions. It is a practical and stable engineering material.