The product use paper and PP plastic woven sack as the base material, adopt the stream handicraft compound process have characteristic of tide protection,guard against rain and has advanced of intensity.May be used for packaging various form of powder,grainiess,schistose,block materials.Such as industrial chemicals, Food additives,industrial chemicals,Dried powder building? material,Meticulous mineralm Engineering plastics,Nanometer material, feed additivem, and so on.