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The thickness of the concrete protective layer is insufficient, and the external harmful medium easily penetrates the protective layer to reach the surface of the steel bar, causing the steel bar to r

How to increase the waste detector success rate of finding water?First you should choose a high quality water detector,and then we have summrized the following points for your reference!And our water

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

If you decide to buy a rebar detector, you may face all kinds of confusion. How to choose a rebar detector? You can consider it from its basic configuration and technical parameters. Reinforcement pro

On October 24, a batch of single hydraulic prop equipment for mining was loaded in the intelligent equipment manufacturing workshop of China Coal Group and will be sent to a mine in Datong City, Shanx

In order to further improve the comprehensive skill level of employees, speed up the construction of high-skilled talents in enterprises, accelerate the training of enterprise reserve skills to meet t