PIONEER NEW MATERIAL CO. , LTD is the lagest Oriented Strand Board manufacturing vendor in China.Oriented Strand Board (OSB) is an engineered wood product made by layering strands of wood in specific orientations and bonding them with adhesives. The strands are typically arranged in layers with alternating directions to provide strength and stability. OSB is commonly used in construction for sheathing, flooring, and roofing due to its durability and cost-effectiveness.