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On the morning of April 13, the 4th Executive Committee Meeting of the 13th Jining City Federation of Industry and Commerce is held in the Jining Yunhe Hotel Conference Center. Li Kexue, Vice Chairman

Spring is in full swing in March. In order to celebrate the 111th "March 8" international working women's day and better care for the group's female employees, on the afternoon of March 8, China Coal

The electromagnetic radiation detector is composed of a metamaterial absorber, legs and a substrate, and is prepared on a transparent substrate using a surface sacrificial layer process to form a susp

In order to implement the "Guiding Opinions on Carrying out Quality Improvement Actions" of the Party Central Committee and the State Council and the new requirements of the provincial party committee

According to the "Several Opinions on Strengthening the Construction of High-Skilled Talent Teams to Promote Industrial Transformation and Upgrading Development" (Ji Ren She Fa [2016] No. 66) and "Eva

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