Yakatangisa revolutionary 420GF photovoltaic drilling rig, mhinduro yekupedzisira yekushanda kwemakomo akakura.Iyo solar piling muchina wakashongedzerwa nespreader seyakajairwa, inova sarudzo yakanakisa yekuisa hombe-aperture uye ultra-hombe-aperture photovoltaic piles.Iyo drilling rig inotora yakakwirira-torque inotenderera musoro dhizaini ine torque inosvika 8000N/M kuti ive nechokwadi chekuti inosangana nezvinodiwa zve Φ176-300-400mm solar piling mashandiro.