Ụlọ ọrụ Gookma bụ ụlọ ọrụ nkwado nke Mahadum Guangxi Mechanical Engineering Institute na ụlọ ọrụ nkwado nke Guangxi Provincial Agricultural Machinery Research Institute, na ihe karịrị afọ 30 nke ike tiller ọkachamara n'ichepụta akụkọ ihe mere eme na patent technology.Ụlọ ọrụ Gookma na-arụpụta ọtụtụ ụdị tiller ike, site na 4kw ruo 22kw, n'ọtụtụ ebe na-emezu ihe a chọrọ n'ịzụlite ọrụ na obere na ọkara mmiri na ubi akọrọ.