Hidden worries in sky-high sand and gravel mining rights
2020-07-15
This seemingly ordinary sand and gravel mining rights auction, but a stone caused a thousand waves, in Guangdong Province and even the national sand and gravel industry caused a shock.
2020-07-10
On June 20, 2020, the author walked into the home of Yang Rongjie, a poor household in Daxu Village, Zhaocun Town, Luoning County, and scanned the QR code with his mobile phone to clearly understand the basic situation of Yang Rongjie's home.
Development history of cemented carbide
2020-07-08
Since the German Karl Schroter developed WC-Co cemented carbide by powder metallurgy in 1923, and Krupp (Krupp) Company began large-scale production of WC-Co cemented carbide called "WIDIA" in 1926, cemented carbide has emerged as a new industry in the world industry.
Wisdom empowers mine development to highlight new temperament
2020-07-04
"You can drive the underground unmanned electric locomotive remotely on the ground, and you can start and stop the equipment with a click of a mouse. This was a'imagine' about the future development of the mine in textbooks in the past. Unexpectedly, it has been realized. The future is really promising." Geng Shuai, a post-90s mining technician who came to the mine soon, is very proud.
Bless the 99th Anniversary of the Founding of the Great Communist Party of China
2020-07-02
Bless the 99th Anniversary of the Founding of the Great Communist Party of China
The new version of "coal" flowers three lane
2020-06-30
With the acceleration of the construction of ecological civilization, coal "de capacity" has brought unprecedented challenges to the traditional coalfield geological exploration, and the transformation has become the only way for the coalfield geological cause to get out of the predicament and move towards the bright future.
Pay attention to lotus mountain drilling tools:
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