Mai le 2020, o le Slew Motors laiti ma feololo na gaosia e Weitai Hydraulics na amata ona ulufale atu i tagata taʻutaʻua eli gaosi oloa i Saina mo suʻega laiti, ma o faʻamaumauga o suʻega ma faʻatinoga na matua mautu.Amata mai i le 2021, ua faʻafetaui afi afi a Weitai i vaega i tagata taʻutaʻua eli gaosi oloa i Saina.

I tausaga talu ai nei, o Weitai e sili atu ma sili atu ona manino tulaga lelei i tone laiti ma feololo Travel Motors ma Swing Motors.O le tulaga lelei o oloa e maualuga lona tulaga i totonu o le atunuu ma faʻatusatusa i faʻailoga lauiloa faavaomalo.Ta'imua uta, ae maise le fa'avasegaina o le aofa'i o oloa auina atu i fafo.Ua avea Weitai ma fa'atau oloa sili o le OEM hydraulic i Saina.

O le Swing Motors o lo'o faia nei e Weitai e aofia ai: Nachi PCR series Slew Drives, KYB MSG series Swing Motors, Eaton JMF series Slew Motors, Kawasaki M2X ma M5X Swing Drives, Swing Motor and Gearboxes.