Guangyou potato and food product Co., Ltd is a leading high-tech manufacturer specializing in producting instant vermicelli with sweet potato and potato as raw materials, located in the hi-tech developing district of Mianyang , Sichuan Privince. Guangyou has a hi-quality group constituted by land and outland experts for developing, designing vermicelli, and now has 49 technical patents including 9 invent patents.