Yes Both Ningbo National Fitness Guidance Center and Ningbo Sports Development Center issue free fitness coupons to the public, which can be collected through the "Sports Ningbo" WeChat applet. This program can be refunded and you can contact customer service for after-sales service. The types issued by the Municipal Sports Development Center are: 30 yuan Swimming Fitness Free Voucher; 60 yuan Ball Fitness Free Voucher Package, including 2 30 yuan Free Vouchers.