... box, toy box, mobile phone box, UsageIndustrial products, commodity, shopping, jewelry , giftDesignWe offer special design service or customizedMaterialCorrugated paper, Fluting paper ... working paper,Preservative paper, Honeycomb paperStandardSingle wall paperK3K, K3A, A3A, A3B, B3B, B33… Double wall paperK=K,K=A,A=A,A ... =B,B=B… Multi wall paperK≡K,K≡A,A≡A,A≡B,B≡B ...