... 30 years 4.have in stock gasket,mud pump parts for drilling,tigerrig brandIf you want to quickly ... , single-action, heavy-duty, high-pressure drilling pump with a maximum power of 2,200HP, maximum ... professional drilling rig manufacturer, we produce world-class drilling rig such as ZJ30,ZJ40,ZJ50,ZJ70,ZJ90 and rig parts:Mud pump ... free to contact us. gasket,mud pump parts for drilling,tigerrig brand