If you use 微信(Chinese version/WeChat(English version，and there may be versions in other languages. App for mobile phones), it'll be extremely convenient for you to find tens of millian Chinese-speaking users. I think you may find among them a lot of Russian learners, and they are your potential language partners.

To find more Chinese Russian-learners without effort，a better choice is QQ(app for either mobile phone or PC， with Chinese and EnglishChinese)，where you may 找群(search and find your favorite groups)， key in 俄语/...，and you'll find them.

You may chat, by voice or typing, with your language partners on 微信/WeChat.