E tsebisitse phetoho ea 420GF photovoltaic drilling rig, tharollo ea ho qetela bakeng sa ts'ebetso ea lithaba tse kholo. Mochini oa ho roala mahlaseli a letsatsi o na le mochine o jalang ka mokhoa o tloaelehileng, e leng khetho e ntle ka ho fetisisa bakeng sa ho kenya li-photovoltaic piles tse kholo le tse kholo. Mochine oa ho cheka o nka moralo oa hlooho ea rotary e nang le torque e phahameng e nang le torque e fihlang ho 8000N / M ho etsa bonnete ba hore e finyella litlhoko tsa ts'ebetso ea Φ176-300-400mm ea letsatsi.