Xu Yinchuan is a super chess master in China. He jointly launched Danquan's signature drink, Ma Shuang Drinking Spring, with limited distribution, favorable price and excellent gifts. This "Ma Shuang Drinking Spring" wine is a special edition product jointly launched by Xu Yinchuan and Danquan Liquor Industry, which combines the personal style of Xu Yinchuan and the brewing technology of Danquan Liquor Industry.