Yiwu. Yiwu cup wholesale market is the distribution center of the national cup industry. Almost all water cup manufacturers have direct stores in Yiwu, and the largest wholesale market of water cups in China is in Yiwu. Yiwu Commodity Wholesale Market (also known as China Commodity City) is a large-scale e-commerce platform built by Zhejiang China Commodity City Group Co., Ltd., which provides information service and network marketing service for Yiwu China Commodity City market. Is the official website of Yiwu Commodity Market. Established in 1982, it is one of the earliest professional markets in China.