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The pneumatic bolt drill has high speed and high power; the advanced water valve structure improves the pressure capacity and reliability of the waterway system; the double exhaust and the new sealing

A drilling rig is a complex machine consisting of machines, units and mechanisms. The drilling rig is a mechanical device that drives the drilling tool to drill underground and obtain physical geologi

According to the "Notice On The Organization's Recommendation For The Tenth Batch Of Provincial-level Specialized And Special Small And Medium-sized Enterprises”, the third-party organizations organiz

On the morning of October 12, Jining Mining Industry Group Former Chairman Wang Yanlun and his entourage visited China Coal Group. China Coal Group Chairman Qu Qing, General Manager Han Yong, Group Ex

Rock drills are tools used to directly mine stone. It drills blastholes on the rock formations to place explosives to blast the rocks to complete the mining of stone or other stonework. Rock drills ca

In order to thoroughly implement the "Guiding Opinions of the State Council on Deepening the Integration of Manufacturing and Internet Development" (Guo Fa [2016] No. 28), combined with the "Office of