Duohe Pie Duohe Pie is a Chinese fast food chain enterprise which specializes in operating pies. Founded in 200 1, the company developed the traditional pasta "He Yi School" into "Duohe School Chinese Fast Food", combined the traditional technology of Chinese pastry with the fashion concept of western fast food, created healthy and delicious pies with scientific diet concept, and combined traditional delicacy with fashion elements to provide customers with balanced taste enjoyment. The joining cost of Duohe Pie is1-200,000, and the number of stores is 1.944. Headquartered in Zibo, Shandong Province, Duohe Pie is a large-scale enterprise integrating catering product research and development and Chinese fast food chain operation.