 Following the Ban Liang cash coins the Han dynasty introduced the San Zhu cash coins which in the year 118 BC were replaced by the Wu Zhu cash coins.The production of Wu Zhu cash coins was briefly suspended by Wang Mang during the Xin dynasty but after the reestablishment of the Han dynasty, the production of Wu Zhu cash coins resumed, and continued to be manufactured long after the fall of the Eastern Han dynasty for another 500 years.Minting was definitively ended in 618 with the establishment of the Tang dynasty.