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