100% Birch Plywood, Film Faced Plywood, MDF manufacturer / supplier in China, offering 3 Ply Formwork Plywood Boards 27mm Yellow Shuttering Panel for Construction, H20 Timber Beam Column Wall Formwork System for Concrete Construction Pier Formwork, Hot Sale Cheap H20 Beams 2.90m for Concrete Formwork Wood Construction Material and so on.