With the extensive application of large-scale mining machinery in the construction of harsh working conditions such as coal mining, tunnel shielding, tr

On the morning of June 8, the Yellow River Cyclone 2020 Technology Mobilization Conference was grandly held in the International Conference Hall on the fourth floor of the R&D Center. Chen Zhiqiang, general manager of listed companies, and Wu Xiwang, deputy general manager and director of the R&D center, attended the meeting and made work deployment speeches; deputy general managers Guo Hui, Zhao Ziyong, Li Mingtao and He Tianyun attended the meeting. The meeting was chaired by Li Mingtao, deputy general manager.

With the overall promotion of resumption of production, on the morning of March 23, the Yellow River cyclone type selection plant ushered in the first quarter of material watching competition. All the women workers are actively preparing for and participating in the skill competition. We are working hard! The material watching competition is divided into two parts: the preliminary and the final. The preliminaries are held by all

With the overall promotion of resumption of production, on the morning of March 23, the Yellow River cyclone type selection plant ushered in the first quarter of material watching competition. All the women workers are actively preparing for and participating in the skill competition. We are working hard! The material watching competition is divided into two parts: the preliminary and the final. The preliminaries are held by all

On November 27, according to the evaluation of the expert group of Henan provincial market supervision and Administration Bureau, Huanghe whirlwind successfully passed the acceptance of the national 5A level standardized good behavior enterprise with 471 points (500 points in total).

Analysis of main shape and cause of damage of cubic boron nitride (CBN) cutter Cubic boron nitride (CBN) is a pure synthetic material and is another new