Used in Jiuquwan Hot Springs. Jiuquwan Hot Spring is a pure ecological geothermal mineral water. It is located in Jiuqu Bay, Tangsan Town, Nanning, the capital of Guangxi. It is a famous local hot spring resort. In order to attract more customers, a disposable function card, Health Card, has been introduced, which can be used in Jiuquwan Hot Springs, and will be given the opportunity to soak in hot springs for free after use.