Cross taper bit, commonly used taper
2022-10-14
Common diameter 29mm, 30mm, 32mm, 33mm, 34mm, 35mm, 36mm, 38mm, 40mm, 42mm, 45mm.
Classification and main production enterprises of hydraulic rock drilling rigs
2022-10-14
According to its use, it is mainly divided into several types, such as open-pit rock drilling rig, underground excavation rock drilling rig, underground mining rock drilling rig, and anchor rod drilling rig.
Spend nearly 4 billion! Zijin shares in China's largest single gold mine!
2022-10-14
On the evening of October 12, Zijin Mining announced that it would invest 3.9845 billion yuan to acquire a 30% stake in Shandong UBS Mining through an agreement transfer, becoming the second largest shareholder of Shandong Laizhou Sea Gold Mine, China's largest single gold mine.
Green channel opened, two large new iron ore mining license!
2022-09-28
A few days ago, according to relevant media reports, in order to fully ensure the safety of mineral resources, the Liaoning Provincial Department of Natural Resources, through coordinating the people's governments of various cities and counties and relevant departments, adopted the mechanism of tolerance acceptance, parallel review, and linkage handling, and provided Xianshan within the shortest time limit., Chentaigou two super-large new iron mines issued mining licenses.
Pay attention to lotus mountain drilling tools:
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