Shanghai Helixun's honeycomb paperboard has good impact resistance and cushioning properties. The honeycomb paperboard is made of flexible paper core and facial paper, which has good toughness and resilience. The unique honeycomb sandwich structure provides excellent cushioning performance and has higher energy absorption per unit volume among all cushioning materials. , High-thickness honeycomb paperboard can replace the EPS plastic foam cushion that has been widely used. 

Sound absorption and heat insulation. The interior of the honeycomb sandwich structure is a closed chamber filled with air, so it has good sound insulation and heat preservation performance. No pollution, in line with modern environmental protection trends. The honeycomb cardboard is all made of recyclable paper, which can be recycled 100% after use.