Multiple massages to send

[AC Question]

How I can send a multiple massage to frinds by my Mobile or PC without interention ?

 

[Hemantsinh]

I am selling online dress materials. I have offen need to send multiple massages to customers and friends. If I use Watss App Broadcast, mobile works very slow and hangs up friquently for hours.
please guide me how I can send multiple massages