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Mineral Exploration Drilling Rig (CHANGTAN Series) Changsha Changtan Machinery Co., Ltd. is one of the leading manufacturers of drilling rigs and drilling tools. All sites are ISO9001 certified. CHANGTAN serial core drilling rigs covers all the main foundation and drilling technologies with a range of models whose characteristics, capability and performance find application in every operating condition. CHANGTAN Mineral Exploration Drilling Rig is the spindle core drilling rig widely used for diamond core drilling for metallic ferrous or nonmetallic solid deposits exploration, water well drilling, geothermal well drilling, soil investigation drilling and drilling of superficial-zone petroleum and natural gas mining, mines' gallery ventilation, water discharge tunnel, as well as the foundation & construction drilling for high-rise building, highway, railway, bridge, port, harbor work, piling, dam and tunnel, etc. The drilling rig is suitable for both large-diameter shallow hole drilling and small-diameter deep hole diamond drilling. We also produce a wide series of mud pump and drilling accessories such as diamond core bit, reaming shell, drilling rod, core barrel, casing pipe and coupling, etc. Model No.: GY1600, XY-44, GY600, GY300, Manufacturer: Changsha Changtan Machinery Co., Ltd.
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