The drill bit of the roof bolter machine is the main component of the drilling machine. It is a tool for transmitting impact energy, directly contacting the rock and blasting. During the whole operati
With the rapid development of China's national economy, the pneumatic pavement breaker has maintained a high-speed growth for many years, in recent years, the crusher industry's export situation is co
In accordance with the "Administrative Measures for the Accreditation of Enterprise Technology Centers of Shandong Province" (revised in 2018) (Lu Fagai Gao Ji [2018] No. 1436) and the "Notice on Orga
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
On the morning of November 6th, water well drilling rig equipment were loaded in the intelligent equipment manufacturing workshop of China Coal Group and will be sent to a factory in Jiexiu City, Jin
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Executive Editor: Linda Zhang