Hangzhou police report: After receiving the clues from the higher authorities and combining with daily work, it was found that "51 Credit Card" involved a large number of abnormal complaints from various places. After preliminary investigation, it was found that "51 Credit Card" entrusted an outsourcing collection company to pretend to be a state organ, and used soft and violent means such as intimidation and harassment to collect debts, which was suspected of causing trouble and other crimes.