End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
补=营养,营养=补? http://www.cn.360q.com/2018/12/05/%e8%a1%a5%e8%90%a5%e5%85%bb%e8%90%a5%e5%85%bb%e8%a1%a5/