On July 5, 2019, the R & D center of hydraulic rock drill was established!
Group photo of company executives and the director of the Hydraulic R&D Center 
Hydraulic Rock Drill R & D Center group photo 
- +86 429 4428424
- info@lhsrocktools.com
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- International Sales: +86 429 4428424
- Sales Email: info@lhsrocktools.com
- China - Liaoning - Huludao - Lianhua Mountain
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