... duty. Equiped with neccessary drilling tools, the XJ750 workover rig is also capable of drilling work up to 3000-3500m ... 1958, the company gave of the FIRST oil field WORKOVER RIG in People's Republic of China. Through 50 years' ... include Workover rig, drilling rig, live well service rig, No Guyline well service rig, water well drilling rig, core drilling rig, sand washing truck, flushby rig, dewaxing ...