WPC doors, namely Wood - Plastic Composite doors, are made by mixing super - fine wood powder particles with polymer resin and then manufacturing through a molding process. They combine the excellent properties of wood and plastic, presenting a vivid wood - like appearance. The main raw materials are PVC resin, often selected from well - known domestic medical - grade products, and high - quality wood powder provided by professional wood companies. The wood powder goes through processes such as classification, screening, grinding, drying, and film - coating treatment to ensure the high - quality requirements of the finished product. In the formulation system, auxiliary materials such as stabilizers, foaming agents, and modifiers are also added. The strict proportioning and mixing of each component effectively guarantee the product quality of the foamed boards. This unique combination of materials endows WPC doors with many characteristics, making them stand out in the field of building decoration.