1.Food Grade 2.free flowing,different mush,good whitness 3.common packing: 25 kg PP bags Used as food fermentation, detergent ingredient, carbon ... Industry Co., Ltd, is the largest caustic soda pearls(beads) manufacturer in China with 80, 000mt annual yield.Established in 1995 ... quality, diversiform packaging, fast delivery, good service and reputation. sodium bicarbonate food grade