Fahua Town Road, Changning District, Shanghai. According to the query on Baidu Map, Zhihu Shanghai Sanniu Dieffenbachia Biscuits can be purchased at Fahua Town Road, Changning District, Shanghai. Sanniu Shanghai Dieffenbachia Biscuits are exclusive biscuit and pastry products produced by Shanghai Sanniu Food Co., Ltd. Shanghai Sanniu Food Co., Ltd. The company adopts advanced processing technology at home and abroad and is carefully prepared by experts. Its taste is unique and nutritious and suitable for Chinese people's physical constitution and eating habits.