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According to the "Several Opinions on Strengthening the Construction of High-Skilled Talent Teams to Promote Industrial Transformation and Upgrading Development" (Ji Ren She Fa [2016] No. 66) and "Eva

The air leg rock drill is a highly efficient rock drilling machine. It is widely used in rock tunneling and drilling blastholes in various rock drilling operations. It is an important machine in stone

On the morning of November 13, Gu Shuangquan, Vice Minister of Heavy Rail Business Unit of Handan Iron and Steel Group, Guo Chaojun, Overseas Section Chief of Heavy Rail Business Unit of Handan Iron a

Recently, multiple models of metal roof beam products independently developed and produced by China Coal Group have successfully passed the strict inspection and evaluation of the National Safety Prod

Water well drilling rigs are suitable for water well drilling, geological survey, geological core drilling, small grouting holes, blast holes in railways, water conservancy, bridges, dam foundations a

The air leg rock drill is a modern rock drill product. It adopts the design technology of modern rock drills. Compared with similar products, air leg rock drill has the advantages of low noise, light