Compound Nutrition Bean, Curd Pearl Protein, Protein Shreds with Fruits and Vegetabkes, prize of Excellent Invention Shanghai, As a trditional non-staple food, the bean curd was invented in China as early as 2000 years ago, then the product was spread all over the country and the other countries in Asia. However, it had little change in a long time. Recently the tradition technique for bean curd ...