Shandong China Coal Group Drilling Machine Branch

The water well drilling rig is a mechanical device that drills the water well and completes the operation of the downhole pipe and the well washing. Including power equipment and drill bits, drill pip

September 8, The 2nd Shandong Provincial Urban Construction Expo, jointly sponsored by the Shandong Provincial Department of Housing and Urban-Rural Development and the Jining Municipal People's Gover

From September 4th to 7th, the 15th China International Construction Machinery, Building Materials Machinery and Mining Machinery Exhibition and Technology Exchange Conference was jointly organized by

On the morning of October 17, Executive Director, General Manager and Researcher of Shandong Saibao Company, Jiang Xiaojun, Shandong Saibao

On the morning of October 16, National Mining Product Safety Mark Center Changsha Inspection Institute expert Ji Guangzhou, Yu Hongwei and Yang Jintao

In accordance with the spirit and requirements of the Implementing Opinions of the Shandong Provincial Science and Technology Department on Speeding up the Development of Science and Technology Busine