1.It's made of high quality sweet potato 2.highly viscosity and purity 3.lowly acidity 4.material for proccessing vermicelli Sweet potato starch: It's made of high quality sweet potato, and has some advantage such as pure white, highly viscosity and purity, and lowly acidity etc.. It is mainly material for proccessing vermicelli and cold noodles1, Moisture::≤ 20% .2, Whiteness : ≥90.00% 3, ...