Kumex is a small company of trading that hasn't provided resourceful tools for traders for a long period. And now, the site seems to be abandoned and put of place. There is not the way to get access to the public domain of the platform, as the team might have blocked all entries.
The information available on other sites is neither enough to trust they can just facing a difficult situation. So, what users and expert traders recommend is to view this site as just a project that should be improved from the root.
NOTE: This web exchange isn't available. You can give information to the providers. And it is better to remain as far as you can from the reach of scammers.