engineered wpc chair 1.Waterproof,fireproof 2.Environmental friendly 3.Low maintenance 4.Corrosion-resistant Product process and components:extruded under high temperature and pressure,whose material(about 60%)is natural wood or bamboo powder,mixed with plastic,mainly polyvinylchloride or polyethylene(about 30%),added necessary chemical additives,such vesicant,anti-oxidants,dyestuff. 1. Dimension ...