... years 4.have in stock crank shaft,mud pump spare parts for drilling,tigerrig brand If you want to ... are developed to meet drilling requirements of offshore deep-water, terrestrial and horizontal wells, especially in desert areas. ... such as ZJ30,ZJ40,ZJ50,ZJ70,ZJ90 and rig parts:Mud pump,Hook,Rotary Table,Swivel,Crown block, ... to contact us. crank shaft,mud pump spare parts for drilling,tigerrig brand