If the Guangfa Credit Card cannot be used, the common reasons are: 1. The magnetic stripe of the card is degaussed; 2. The card is locked after entering the wrong transaction password three times; 3. The card is not activated; 4. The card is available Insufficient credit limit; 5. The limit or number of credit card swipes is limited. In other cases, please call the customer service hotline 95508 for consultation.