Vacuum fryer is Quan's Food Machinery (Shanghai) Co., Ltd. synchronized with high precision and smooth operation. Vacuum frying technology is in the late 1960s and early 1970s, the beginning of the rise, used for deep-frying potato chips, get a better quality products than the general traditional frying process, and later it was used to dry fruit pieces. 80 years later, the technology is developing faster, more widely used.