PACKING: OUTSIDE IS WEAVE BAG OR PAPER BAG, INSIDE IS FOOD PLASTICS BAG, 25KG/BAG. “CHANG” BRAND AMMONIUM BICARBONATE FOOD GRADE, MAINLY AS SPONGING AGENT ... IN ALCOHOL AND ACETINE.PACKING: OUTSIDE IS WEAVE BAG OR PAPER BAG, INSIDE IS FOOD PLASTICS BAG, 25KG/BAG. THE PACKING ALSO CAN ACCORDING TO ...