... actually most of them consist wood powder,using wood powder instead is environmental friendly,reliable and long life color keeping.Raw ... MaterialRice husk,core corn,screw,wood,bamboo,nut shelltree-skin,leaf,wheat screw and skin,linen,charcoal,activated carbon, ... chemical industry,incense,carbon making,plastic processing,feeding industry.Wood PE,wood PVC and wood PP composite. Wood PE profile