ZQ203-125drillpipepowertongisanewgenerationproductwithhigh performance.Itfeatureswithnewstructureandlargertorque.Automatic doorisavailable.Fluidandaircombinationcontrolsystemisequippped forunifiedcontrolonthegrippingoperation,theopenandcloseofthe door,andthemovementofthecylinder,whichgreatlyincreasethe reliabiltiyofoperationandmakemechanization degree higher.