How is there a black spot in soybean tissue protein?

You can contact Ningbo Sobao Food Co., Ltd. Ningbo Sobao Food Co., Ltd. is an Israeli-owned company, which produces a variety of high-quality textured soybean proteins with unique technology, such as Kangtai 3 1ct(contex 3 1ct) which is widely used in meat products and bontex with extremely low bean smell. There are many kinds of soybean protein products waiting for you to choose.