... Flat Bag All kinds of Doy Bag(Stand-up Bags),include doy bags/bottom gusset bag,etc,is suitable ... packing by Doy Bags(Stand-up Bags) Filling & Sealing Machine. Application of Doy Bag Filling &Sealing ... etc3,Liquid---rice wine,soy sauce,fruit juice,tomato sauce,jam,chili sauce,bean sauce,millet wine, vinegar ,drink etc4,Powder ...