offshore drilling hose, drilling rig hose, drilling hose mud rotary drilling , drilling hose made according to API Spec. 7K . offshore drilling hose, drilling rig hose, drilling hose , mud rotary drilling , drilling hoseTemperature Range: -30°C~82°C, or manufactured upon customers' requirementsHose Lining:Principally NBR constructed, featuring oil-resistant, abrasion-resistant, acid & alkali ...