How to tell whether the SMS sending company is formal?

With the rapid development of the short message sending industry, the companies that send short messages in groups are also mixed, and it is difficult to distinguish between true and false. The following giant elephant technology SMS group sending Bian Xiao teaches you how to tell whether the SMS group sending company is formal or not.

First: whether to go through formal cooperation procedures.

Second: whether the payment process is formal.

Third: whether there is a strong strength and experienced team.

Fourth: Look at the quotation.

Hope to adopt!