
Factory Direct Sale with Customizable Eco-Friendly Grey Cardboard. Customizable Thickness: We can customize different thicknesses of cardboard according to your requirements. Eco-Friendly Material: Made from recycled paper and virgin pulp, meeting EU environmental protection standards. Moisture Proof & Anti-Curl: Features excellent moisture resistance and deformation resistance for durability. Wide Size Range: Sheet size length 550mm-1300mm, width 600mm-1213mm, thickness 0.35mm-4.5mm. Multiple Certifications: Passed ISO9001, ISO14001, ISO45001, SGS, and RHOS certifications. Factory Direct Sale: Direct sales from our Dongguan factory with nearly ten years of production experience. Free Sample Available: Free samples provided; buyer only needs to cover express delivery account. High Production Capacity: Six fully automatic lines with monthly capacity of 20,000 tons.