Yiwu was founded in the Qin dynasty, around 222 BC. Yiwu's long history flourished as early as the Neolithic Age. Yiwu first became a county in 222 BC and was renamed Yiwu County in the year 624 AD. Trade has been historically important in Yiwu since the surrounding area has little arable soil. Even before 1600s, Yiwu men would carry sewing needles, threads, sugar chunks and other small commodities in their bamboo baskets, using a shoulder-pole, and travel to surrounding rural villages in exchange for chicken feathers.