Joke Collection Website - Public benefit messages - What if I haven't been to Langfang? I am in Beijing

What if I haven't been to Langfang? I am in Beijing

You can check it by SMS. If you haven't been to Langfang, travel itinerary shows that the service in travel itinerary is abnormal. You can inquire by SMS, and send SMS CXMYD to your operator. Telecom users send to 1000 1, mobile users send to 10086, and Unicom users send to 100 10. When prompted, enter the last four digits of the owner's ID card.