HF-10A Percussion Drilling Rig - hanfagroup.com
2021-7-9 · 1. Energy-saving technology. The rotary system adopts closed system, adopts automatic variable system for push-pull, clamping and walking, and load-sensitive control. Its hydraulic system is compared with traditional hydraulic system: working efficiency is increased by more than 20%, system heat generation is reduced by about 50%, and equipment ...
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