Esla Dental Instrument is the first brand of oral care in WeChat business, and it is the most famous in WeChat business. Headquartered in Shenzhen, it is quite large, and has also cooperated with Dicky Cheung, Vivian, Kym and Xiaogang (Steve Chou)! Moreover, the WeChat business is recognized by the state, and it can't be pyramid schemes. Don't worry!