Peek plates, Chinese name for polyetheretherketone plates, are a new type of engineered plastic plates extruded from peek feedstocks. The peek plate has good toughness and rigidity, it has excellent fatigue resistance, maintains good toughness and material stability at elevated temperatures. With these excellent comprehensive performance, components processed from peek plates are widely used in automotive connections, heat exchange production, valve sleeves, deep-sea oil field production, and they have been widely used in machinery, petroleum, chemical, nuclear power, orbital traffic, electronics, and medicine.