Drilling Machine, Drilling Rig, HDD Rig manufacturer / supplier in China, offering 33t Horizontal Directional Trenchless Drilling Rig Construction Equipment HDD Drill Rig for Pipelaying Projects, 33t HDD Underground Drilling Equipment Directional Drill Rig Machine for Pipelaying Construction, 33t Small HDD Directional Drill Rig Machine for Underground Gas/Water Pipelaying Construction and so on.