No. According to Sina News. Cai Zhongjian Xun is a fraud company. After paying the money, he doesn't honor his promise, and the credibility of short messages is very low. It is easy to fall into the trap of telecom fraud. The China Consumers Association reminds consumers to be vigilant when they receive calls, text messages and documents claiming to be staff members of training institutions or other relevant units asking for a refund. Criminals will use personal information obtained through illegal channels to gain the trust of consumers, and then make consumers fall into anxiety, panic and other emotions. All information should be checked from the official websites and telephones of enterprises and governments first, subject to authoritative channels, and don't trust each other. If you encounter unknown matters, you can go directly to the education department, the market supervision department, the public security organ and the consumer association for consultation.