Duplex Grey Back Board is a high-quality, durable paperboard widely used in packaging, printing, and stationery industries. Manufactured by Ningbo Bincheng, a leading China manufacturer, supplier, and factory, this product is known for its excellent strength, smooth surface, and superior printability. The grey back layer provides added rigidity and protection, making it ideal for cartons, book covers, and backing applications. Ningbo Bincheng ensures that each sheet meets strict quality standards, combining innovative production techniques with eco-friendly materials. As a trusted supplier in China, Ningbo Bincheng offers customized solutions to meet diverse customer needs. Whether for bulk industrial use or specialized packaging projects, the Duplex Grey Back Board from Ningbo Bincheng delivers reliable performance and consistent quality, making it a preferred choice in markets worldwide.