Has Anyone Used UC UNION adnetwork?

Was wondering if anyone has ever used them? They Own alibaba, uc browser and 9apps.com

they pay 70/30 revshare on ad revenue using thier adnetwork plus they give you free traffic by publishing your app to 9apps.com which has tons of traffic and users. They claim you can get up to 50,000 daily free downloads of your app by using thier adnetwork. One of our users of Magicgenieapps.com made $200 a day with facebook ads after he got lucky and they imported his app to 9apps.com from google play.

live koi pond wallpaper for Android Free Download - 9Apps

Get Massive Traffic for Free

UC Union can offer up to 200k daily clicks per site and 50k daily downloads per app, which helps publishers to grow bigger and stronger with numerous users from UC Union.
Wide geographical coverage, large user base

UC Union covers over 150 countries with more than 500 million users. UC Union is the best choice for acquisition of global traffic.
High quality traffic and accurately targeted, real Users

UC Union helps you reach a large amount of global and highly targeted users from UC Browser, 9Apps, 9games, UC Union App Walls and other partners of UC Union.

http://uc-union.com/manager.php?m=info&c=guide&a=publisher