Soybean protein isolate The product of isolated soybean protein is in the shape of powder and widely used in food industry, chemical industry and medical fields. Annual isolated soybean protein production ability of soybean protein isolate(spi) 2000 tons.Isolated soybean protein used in meat products, diary products, fishery products, beverage, flour products, and medicine products to improve nutrition value and tasty of food, lower the cost and prolong the validity. Packing: 20kg per bag