Kampani ya Gookma ndi bizinesi yothandizana ndi Guangxi University Mechanical Engineering Institute ndi bizinesi yogwirizana ya Guangxi Provincial Agricultural Machinery Research Institute, yomwe ili ndi zaka zopitilira 30 za mbiri yopangira zida zamagetsi ndiukadaulo wapatent.Kampani ya Gookma imapanga zitsanzo zambiri za tiller yamagetsi, kuchokera ku 4kw mpaka 22kw, imakwaniritsa zofunikira za kulima paminda yaing'ono ndi yapakatikati yamadzi ndi minda youma.
