For completeness, here’s the inside of the most recent Wouxun KG-UV3D radio failure:
The build quality has definitely improved since the previous radios in 2011:
There’s still plenty of flux to go around, but it’s not nearly as crusty as before.
Wouxun KG-UV3D: Failure 3 PCB
The Smell of Molten Projects in the Morning 
Still though it’s a terrible looking solder job on the newer one too.
I’ve done worse, but I haven’t been proud of it …