Here's what I know:
Type A- Gouija (Alpha)
Type C- Witeden
Type D- YJ
Type F- Sheng En
Other than that, I am clueless. What about other brands, like Dayan, V-Cubes, QJ, LanLan, GhostHand, ShengShou, etc. Do they have types? And if they don't, should they?