Gookma lub tuam txhab yog kev koom tes kev lag luam ntawm Guangxi University Mechanical Engineering lub koom haum thiab kev koom tes kev lag luam ntawm Guangxi Provincial Agricultural Machinery Research Institute, nrog ntau tshaj 30 xyoo ntawm lub zog tiller kev tsim khoom keeb kwm nrog patent technology.Gookma lub tuam txhab tsim ntau yam qauv ntawm lub zog tiller, los ntawm 4kw rau 22kw, dav ua tau raws li qhov yuav tsum tau ua ntawm kev cog qoob loo ntawm cov dej me me thiab nruab nrab thiab cov teb qhuav.