They violated Article 2 of the Contract Law; Article 27 of the Provisions of the Supreme People's Court on Several Issues Concerning the Application of Laws in the Trial of Private Lending Cases; If, as you said, a loan of 1, yuan is repaid in three years, and the annualized interest rate reaches 52.5%, it is usury.
The reasons why many victims can't defend their rights. If you go to Beijing for arbitration or represent a lawyer for help, then all the expenses of court hearing, accommodation and lawyer's fees are higher than beheading.
The micro-loan companies approved by the local monetary authority have a problem, but their feet are smashed. Can local supervision be successful? The answer is no;
can it be successful to go to the police locally? Sorry, no, this is a contract dispute and needs to be solved by prosecution;
can it be successful to report to the banking regulatory bureau locally? The answer is no, people manage banks and don't manage you, which will kick you to eliminate evil;
does it work to eliminate evils locally? Did anyone collect it? No? Is there a collection? Or violent collection? Is there any proof that they did it? Oh ~ was it done by a third party? The third party can't catch it, so it's not supported.
does it work to complain online, such as black cats? Sorry, none of them have succeeded. People are just platforms for collecting complaints, summarizing and publicizing them, and are not responsible for solving them.