20 sets of YT27 Portable Pneumatic Rock Drill ordered by our Australia Clients were formally loaded in the industrial park of Our Group and would be sent to Australia through Qingdao Port.
May 5th,10 sets of YN27C Gasoline Rock Drill produced by our machinery ship sent to Colon.
Hydraulic system of hydraulic rock drill performance characteristics and working principle of the hydraulic rock drill is in recent years the emergence of a new type of rock drill, basic can be divide
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Executive Editor: Linda Zhang