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Shanghai,Shanghai,China China
The rock drill bit is connected with the drill rod, through the drive of the rock drill to achieve the purpose of cutting rock parts, the whole system
The drill rod is the part that links the drill bit and the shank adapter in the rock drill and undertakes the task of transmitting the impact energy t
The coupling sleeve is an indispensable part of rock drilling tools for rock drilling. During the drilling process, the coupling sleeve is at the join
Personne à contacter Una Song
Nom de la société Shanghai, Shanghai
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