Shandong China Coal Group Drilling Machine Branch

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

Water well drilling rigs are divided into two types of drilling frames: column frame and frame. The drilling frame can be selected according to the height and usage of the coal tunnel.

Ecently, the Shandong Provincial Integration and Promotion Center announced the list of "Shandong Province's Integration and Integration Priority to Individuals in 2021. Comrade Qu Qing, chairman of C

For further implementation of the CPC Central Committee and the State Council "about to carry out the action guidance for quality improvement and the related implementation plan by the provincial comm

Recently, The mine flameproof and intrinsically safe vacuum electromagnetic starters QJZ-80/1140 (660), QJZ-120/1140 (660), QJZ-200/1140 (660), QJZ-315/1140 (660), qJZ-400/1140 (66) are independently

In order to further expand the group's high-tech business areas, China Coal Group recently invested and established Shandong Yuan Zhou Digital Technology Co., Ltd., which mainly provides digital conte