Wechat is a social media(instant messaging, commerce and payment services) application developed by Tencent. It was first released in 2011, and by 2016, it was one of the largest standalone messaging apps by monthly active users, with over 889 million active users. 

For the more updates of wechat, you could review the Wechat 2016 Annual Report:

http://www.tackleinsights.com/content/?169.html

Wechat is the leading social media in China, it is the most cost effective platform to approach your end users and set up the direct contact with your customers, you could send the daily news or weekly news or product updates to your customers free of charge.

We could set up the social media account for your brands in China, if you are interested in our service, please contact with us today!

PS: ABC of Wechat official account:

WeChat supports users who wish to register as an official account, which enables them to push feeds to subscribers, interact with subscribers and provide them with services. There are three types of official accounts: service account, subscription account and enterprise account. Once users as individuals or organizations set up a type of account, they cannot change it to another type. By the end of 2014, the number of WeChat official accounts had reached 8 million. Official accounts of organizations can apply for verified (at cost of 300RMB), official, public accounts.