... puncture strength. Nylon/RCPP:High temperature ressitant, non-toxic.polythene(PE)/CPP:physical food contact layerAluminum foil : good ... etc Production flow chartManufacturing shopMain products we product1) Food bags for coffee or coffee beans, milk powder,spices, sauces ... noshes, etc, nearly including all kinds of foods2) Commodity bags for commodities, such as washing powder, pool powder,shampoo, ...