... factory. And we can supply drilling rig, air compressor, rock drill, the drilling parts, loader, excavator and diesel engine, and diesel ... , belt and so on. for drilling rig, we can supply drill bit, drill rod, dth hammer, motor, joint etc, diesel engine parts.2 ... us, for installation, maintainance, or proper use of our company machines, we will be right there for you. In addition, we ...