I heard that there was a video message in Lingkai, Zhengzhou recently. How does this work?

Under normal circumstances, the SMS platform can be sent nationwide regardless of region. Choosing a good SMS sending company depends on the company's qualification, whether it has a formal business license, whether it has the qualification of telecom value-added services issued by the Ministry of Industry and Information Technology, and the company's scale, reputation and SMS price all need to be considered.