... some processing work.GN Solids Control Equipments Including:Solids Control system, Shale Shaker, Mud cleaner, Hydrocyclone(Desander & Desilter),Decanting Centrifuge,Vacuum degasser,Sand pump,Gas ... ,Submersible slurry pump, Electric Ignition Device ,Mud Gun, Mud Tank,Mixed-hopper, series solid control equipment and the drilling fluid circulation system for oil gas ...