Drill Rods | McMaster-Carr
2021-6-21 · Introductions. ZDY1550G underground hydraulic drill rig is a new generation of high-speed hydraulic drilling rig that is designed based on the hydraulic drilling rigs of our factory for many years. It takes the construction features of small tunnels, especially coal mine tunnels into consideration. This drilling rig can be widely used for the gas ...
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