Commercial Plywood, Film Faced Plywood, OSB manufacturer / supplier in China, offering Consmos Waterproof 2.9m 3.9m Solid Wood H20 Timber Beam for Concrete Construction, High Quality Waterproof H20 Wooden Plastic Beam Construction Formwork H20 Timber Beams, Prop Formwork H20 Timber Beam Formwork Construction and so on.