... ODM 400m directional circulation SINO TRUK mounted rotary water bore drilling rig Main featuresBZC400ZYII truck ... chassis of brand SINOTRUK , the main transmit, transmission power, gearbox, sets of windlass, mud pump, sewage ... on the chassis.This rig is a rotary drilling rig with directional circulation, which is ... equipped with a good drilling bit.The power of drilling rig comes from the truck engine ...