Models:
SUMCO: Manga 50 2t, S-Power 50 2t (LF50QT-26B), S-Force 50 2t (LF50QT-9J)
KEEWAY: F-Act 50 2t
LIFAN: S-Power 50 2t (LF50QT-26B), S-Force 50 2t (LF50QT-9J)