... permutations and combinations. Box assembly back by the end of the carpet is divided into: asphalt, PVC, PU at ... the following several advantages: one, color-rich, soft and flexible, and rough style, there are Jiaogan; 2, at low ... text, can meet the personalized demands of different customers, and have artistic appreciation value. Non-woven through the pitch ... can also be back at the end of PVC and PU.