150ml。 Soybean milk cups can be divided into 9-ounce soybean milk cups, 12-ounce soybean milk cups, 16-ounce soybean milk cups and so on. The soymilk cups on the street are all 12 ounces, which is 150ml. Soymilk is a kind of drink that people like very much. It is rich in phospholipids, plant protein, vitamin B 1, B2, nicotinic acid, calcium, magnesium, iron and other nutrients. Many people have the habit of drinking a cup of soybean milk every morning in their daily lives.