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From October 9th to October 11th, 2019 China International Mining Conference is hold in Tianjin Meijiang Convention and Exhibition Center. The theme of “High Quality Development, For the Future of Glo

On October 11, 2019 Vietnam Energy Mining Technology and Equipment Exhibition and Vietnam's 28th International Industrial Fair came to an end in Vietnam's Hanoi International Convention and Exhibition

At the 2019 Vietnam Energy Mining Technology and Equipment Exhibition, various coal mining equipment and engineering machinery products of China Coal Group have been highly favored by many domestic an

On October 8, 2019 Vietnam Energy Mining Technology and Equipment Exhibition and Vietnam's 28th International Industrial Fair were held in Hanoi International Convention and Exhibition Center in Vietn

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

In order to welcome the 70th birthday of the motherland, create a strong festive atmosphere, praise and promote the spirit of patriotism, and further stimulate the cadres and workers based on their po