DZ200 Multifunctional geological drilling rigDZ200 multi founctional drilling rig This drilling rig adopts all-hydraulic transmission, which realize the integration of machine, electricity and l
Single cone bitSingle Cone Drilling Bit The single cone bit is sealed journal bearing,"o"type sealing, covers almost all IADC codes, suitable for sidetrac
Hammer unionHammer Union Union is forged by high strength alloy steel according to importing of international advanced technology. After strict heat treatment, t
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