Alibaba Cloud mass short message service

Is it to save money or there are not so many people's contact information in the mobile phone? If it's the second type, it's easy ... 360 has ... messages in it ... but you should also install 360 guards on your mobile phone ... and then ... paste the contact number of the company EXCEL into the contact box repeatedly ... and then write down the contents of the messages! Send it in groups! ! It seems that the maximum number of groups sent is 100 ... as for you want to save money ... I don't know ... find a local tyrant to lend you a mobile phone. ...