Do you know the differences of Pneumatic Rock Drill,Internal Combustion Rock Drill,Electric Rock Drill and Hydraulic Rock Drill and their applications?
Rock drill drills holes in the rock formation, in order to put explosives to explode the rock, so as to complete the mining of stone or other stone works. In addition, the rock drill can also be chang
Warm Congratulation to China Coal Group Rated As 2016 Shandong Province Outstanding Enterprise In IOII
Warmly Congratulate China Coal Group Chairman Qu Qing on Awarding Shandong 2016 IOII Advanced Personal Honor
Saudi Arabian merchants visited Shandong China Coal Group for the inspection of drilling rigs and accessories procurement and long-term cooperation.
a batch of air leg rock drills were loaded at Shandong China Coal Group Industry Park and would be sent to Linchuan County, Jincheng City, Shanxi Province.
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