At the time of this writing Manjaro Deepin is in a very unstable condition. This is due to the fact that Deepin is currently working intensively on version 20 and every time it updates the version, the changes often cause some things to break, others to work again and so on.
Therefore only recommended for users who like to test or are addicted to manjaro and deepin
That is not the newest deepin ISO. At the time of writing, it is 18.1.3.
For future reference: if the deepin ISO is ever updated again, it will be listed here.
It is probably easier to install one of the latest ISOs (Xfce recommended, as it uses the same session manager) then install the deepin desktop with these instructions.
I would not recommend people to install such an old ISO, too many packages has changed.
The user can also just use architect to make their own deepin installation, so that they don’t have all of those other DE packages laying around in their system.