Launched lub revolutionary 420GF photovoltaic drilling rig, qhov kawg kev daws teeb meem rau loj-slope roob ua hauj lwm.Lub hnub ci piling tshuab yog nruab nrog ib tug spreader raws li tus qauv, uas yog qhov zoo tshaj plaws kev xaiv rau nruab loj-aperture thiab ultra-loj-aperture photovoltaic pawg.Lub drilling rig siv lub siab-torque rotary lub taub hau tsim nrog lub zog ntawm 8000N / M los xyuas kom meej tias nws ua tau raws li qhov xav tau ntawm Φ176-300-400mm hnub ci kev ua haujlwm.