ʻO ka hui ʻo Gookma ka ʻoihana hui o Guangxi University Mechanical Engineering Institute a me ka hui hui o Guangxi Provincial Agricultural Machinery Research Institute, me ka ʻoi aku o 30 mau makahiki o ka mōʻaukala hana ʻoihana ʻoihana me ka ʻenehana patent.Hoʻokumu ka hui ʻo Gookma i nā ʻano hoʻohālike he nui o ka ʻohi mana, mai 4kw a i 22kw, hoʻokō nui i nā koi o ka mahi ʻana i nā hana ma nā māla wai liʻiliʻi a me nā māla maloʻo.
