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Shanghai,Shanghai,China China
Personne àcontacter Bingyan Yan
Nom de la société Shanghai, Shanghai
Down the Hole hammer pnumatic tools for borehole. use button bit to break rock and drill a deep hole. THB is high pressure type DTH hammer. same a
Down the Hole hammer pnumatic tools for borehole. use button bit to break rock and drill a deep hole. TPM is high pressure type DTH hammer. same a
TDA-7 is one kind of multifuncational drilling rig. Full hydraulic Top drive, crawler mounted, Various drilling method: Dry Auger, Water Drill, DT
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