Where can I find the qualified list of Hot spring spa vendors?
The qualified list of Hot spring spa vendor are managed by the Department of Health of the Taipei City Government. Please visit their website to check the list: The department of Economic Development regulates the resource of hot springs, such as designating and protecting the area of hot spring outcrop, managing hot spring provider registration, and censoring the case of hot springs exploitation.
http://www.health.gov.tw/ (in Chinese)
The question often raised is “how to apply to become a hot spring user?”. If you want to use hot spring in your house, you should apply to the Taipei Water Department for a permission.