certificate

Recently, China Coal Group received a good news. Eight models of dump trucks and one model of flat trucks produced by China Coal Group Intelligent Manufacturing Company successfully obtained a total o

Recently, Shandong China Coal Group reported that the six types of temporary support single hydraulic prop products produced by China Coal Group Intelligent Machinery Factory have obtained the nationa

Recently, the AOPA Association of the Civil Aviation Administration of China has strictly examined and approved the official certificate of the civil drone pilot vocational education and training cent

Recently, through the strict review of the Mine Equipment Maintenance Safety Management Office, the series of mining equipment such as hydraulic supports, bracket columns, single hydraulic props, live

Recently, a good news came to Shandong China Coal Group, four models (JSDB-10, JSDB-13, JSDB-19, JSDB-25) of Double Speed Multi Function Winch which produced China Coal Group Machinery Company at the

In order to actively explore the software market, and strengthen the protection of intellectual property rights of the Group, recently audited by the Shandong Provincial Software Association, Shandong