News China Coal Group's Mining Hydraulic Excavator Earns National Safety Mark Certification Recently, three models of hydraulic excavators for coal mines independently developed by China Coal Group successfully passed rigorous testing by the Changsha Mine Electrical and Mechanical Testing Center of the State Ad... Tags: China coal News National Safety Mark Certificate for Mining Hydraulic Excavators VIEW DETAILS What is Hydraulic Excavators Operating Control System Hydraulic excavator operating control system is used to complete the excavation work to manipulate various actions, which is the main control system of the excavator.... Tags: Hydraulic Excavators Operating Control System VIEW DETAILS Menu Enterprise News Trade News Technical Data Foreign Customers Domestic Customers Hot News China Coal Group And Its Subsidiary Zhongy... Good News | China Coal Group’s 'Mechanic... China Coal Group's Industrial Design Cente... Shandong Antai Vocational Training College... China Coal Group's ‘AI-Powered Equipment... A Delegation Of Leaders From Jining Univer... Another Authoritative Recognition! China C... Multiple Self-Developed Equipment Models O...
