Core Insights - Zhang Shuihua, known as the "fastest female nurse," has become a signed athlete for the brand Xtep [1] - Two days prior, Linyin Avenue Custom Board announced Zhang Shuihua as its exclusive brand ambassador [1] - On February 10, the domestic sports eyewear brand hyperrun also signed Zhang Shuihua as a brand elite athlete [1] - Zhang Shuihua has appeared in the signing lists of three different brands within a month and a half of her departure from her previous role [1]