Who knows what Shanghai Yiwei SMS Express is like?

This software is a short message group software developed by Shanghai Yiwei Information Technology Co., Ltd. for stand-alone users and short message service providers. Suitable for sending and receiving SMS cats and multi-port SMS cats. Mobile, China Unicom and PHS are integrated, and the four major operators cover the whole network with short messages, which support two-way sending and receiving of short messages and can reach the whole country. This software is used by our company, and it is still quite good.

If you want to know more detailed information, you can search for "Yi Wei" in Baidu.