Shandong China Coal Group Drilling Machine Branch

Water well drilling rigs should adopt different methods when encountering different geological layers in the process of drilling wells, so as to achieve a good effect, the different geological layers

Recently, China Coal Group's first batch of nearly 4,000 tons of railway rail products was sent to Mongolia through rail and highway intermodal transportation, mainly used for local railway constructi

Gasoline rock drill is a special tool. When mining ore, many large-scale machines are used for drilling. Commonly used are rock drills. The specifications of the machines are different. The purpose is

In order to celebrate the arrival of the May 4th Youth Day, inherit and promote the May 4th spirit, further stimulate the sense of responsibility and mission of the young people, and strengthen the co

Air leg rock drill application products are mainly used in construction sites, engineering tunnels, various types of mines, railways, water conservancy construction and national defense construction d

On April 29, Xie Guishan, Director and Researcher of the Institute of Law of Shandong Academy of Social Sciences, Yang Shengda, associate Professor of Liaocheng University School of Law, Director of t