HongHua Group Holding is one of the largest land rig manufacturers in the world, specializing in the research, design and production of onshore rigs ranging from 2,000m - 7,000m of drilling depth. In addition to manufacturing drilling rigs and rig parts / components (e.g., mud pumps, masts, substructures, drawworks, drive systems and solids control systems), the company offers drilling-related training and after-sales support services to its customers.