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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

Nowadays, the multi-gas detector is indispensable, but do you know how to clean up the multi-gas detector? Now, please follow China Coal to take a look.

The instrument measures fast and accurate. The test speed of our company's rebar detector is fast, it can accurately locate the steel bar, and the repeatability of the thickness test of the protective

Recently, with the official approval of the State Intellectual Property Office, Shandong Carter Intelligent Robot Co., Ltd., a subsidiary of China Coal Group, has added a trademark registration certif

Errors in radiometric measurements. Sensitivity and background of Radiation Detector. The main source of errors in radiation detector measurements are: 1. Instability of equipment parameters.

On the afternoon of August 19, Wang Jianwei, Deputy Director of the Information Technology and Software Services Department of the Ministry of Industry and Information Technology, Luan Yongqiang, Depu