Heavy Duty Rotary Drilling Rig with Diesel Engine Ycr280d Shanghai UPG International Trading Co., Ltd. Base Info Description ∅299-3x7.6 mProduct imageCompany Profile Pre:China Best Service Hydraulic Rotary Drilling Rig Sr335r-C10 in Chile Next:API 16A Oilfield Double RAM Manual Bop Blowout Preventer