1. Offline: In the commercial streets, banks or financial institutions in downtown Shenyang, you can see the advertisements or propaganda of some agencies for repayment, and you can go to find out the specific service contents and fees.
2. Online: Search the credit card repayment service in Shenyang through search engines or social media, check their official website or social media accounts, understand the service content and fees, and communicate and negotiate with the repayment institutions or individuals.