... 4F. Our products mainly include oil drilling rig, solids control system, drawworks, rotary table, triplex single acting mud pump, ... ZJ15-ZJ70 solid control system, solid control equipments, mainly include shale shaker, desander, desilter, mud cleaner, mud gas separator, ... we have produced in turn several pieces of solids control system for customers in America, Brazil, Austrilia and Kazakhstan, ...