Zhangmutou Rice Wholesale Market, Dongguan John Wan Huayuan Grain and Oil Wholesale Bank. Zhangmutou Rice Wholesale Market is the largest wholesale market in Dongguan. There are many channels for enterprising rice with high quality. So the rice in this market is the cheapest. At the same time, the market is favored by many consumers because of its close price and complete sales types. Zhangmutou Rice Wholesale Market is located at the intersection of Guanzhangxi Road and Huacui Road in Zhangmutou Town, Dongguan. It is the largest and most influential rice wholesale market in Dongguan. Dongguan John Wan Huayuan Grain and Oil Wholesale Company specializes in designing, producing and selling all kinds of rice, cooking oil, eggs, soybeans and edible salt. Address: Xinhe Village Committee, Wanjiang District.