national

On the morning of July 15, Yang Jintao, technical review director of Changsha Institute of National Safety Production Changsha Mine Electromechanical Testing and Inspection Center, led a team of exper

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

Recently, two software products independently developed by Shandong China Coal Group-China Coal CRM management system [abbreviation: CRM system V2.2.10] and HIS medical management system [abbreviation

Recently, the DFB (1400-4400 standard specifications)/300, DJB600/470, DJB800/420, DJB (1000, 1200)/300 metal roof beams independently developed and produced by China Coal Group, of which 4 types of h

On the occasion of the Mid-Autumn Festival and National Day, in order to thank all employees for their hard work and enhance the group's cohesion and sense of belonging, on the afternoon of September

On September 24th, the National Coal Mine Intelligent Construction Promotion Conference Product Exhibition is held in Zoucheng, Jining. State Councilor, State Council Party Group Member Wang Yong and