Renhuai City, the oldest Hejiang rice poi processing store. Renhuai City old Hejiang rice poi processing store is located in Renhuai City, Zunyi City, Guizhou Province, Zhongshu Street, the city's southern ring farmers' market, where you can learn to make rice poi. Renhuai is a county-level city in Zunyi, Guizhou Province. Located in northwestern Guizhou, the middle reaches of the Chishui River, the north side of the western section of the Dalou Mountains, backed by Zunyi, is a typical mountainous area in the transition from the Yunnan-Guizhou Plateau to the Sichuan Basin.