WPVC door fittings refer to the hardware and accessories designed to work with Wood Polymer Composite (WPC) doors, which are made from a combination of wood fibers and plastic. These fittings include items like hinges, handles, locks, door closers, and door frames, made from materials like stainless steel, aluminum, or even more specialized plastics to resist corrosion, moisture, and other environmental factors that WPC doors are known for.