AI

Recently, with the strict examination and approval by the State Administration for Industry and Commerce, Zhongyun Intelligent Machinery (Yantai) Co., Ltd. invested and established by Sinotrans Intell

In order to help new employees better understand the development history of China Coal Group, better integrate into the China Coal family and inspire everyone's work enthusiasm, on the afternoon of Ma

On the afternoon of April 27th, at the invitation of the Yantai High-tech Zone Intelligent Manufacturing Industry Development Promotion Center, China Coal Group Deputy General Manager Han Yong,Deputy

Many factors will cause pneumatic rock drill failures because of poor lubrication, here are some common reasons and troubleshootings 1. Oil hole of oil injector was blocked, should be cleaned after t

Shandong China Coal Group hosted 2018 new employees training seminar to help new employees better understand the development process of China Coal Group

Gas and water Malfunction failures of air leg rock drill are mainly due to: high water pressure, gas and water blocked, water valve spring failure, leakage, leakage, apron failure, parts of the valve