On the afternoon of January 27th, Ge Yan, vice chairman of the Jining Federation of Trade Unions, accompanied by Qin Qiulai, director of the High-tech Zone Federation of Trade Unions, and Gao Hongwei,

On January 25th, Chen Hang, vice president of Alibaba Group and founder of Dingding (fancy name: no move), Kang Yanrong (fancy name: Xiaokang), director of public affairs of Alibaba Group, and Shi Hon

On January 21, a batch of mining single hydraulic props and articulated roof beam equipment were loaded in the intelligent manufacturing workshop of China Coal Group, and then sent to Ci County, Hebei

The closed rope guard of rock mucking loader machine is made and installed with two groups of waste air drill bit or 1 / 2 "steel pipe, which are fixed in the jack on the operation side, and the heigh

In order to ensure the safety of the bucket rock mucking loading machine during the transition period, corresponding countermeasures should be taken when using:

The quality of a rock mucking loading machine hydraulic system depends not only on the rationality of the system design and the performance of the system components, but also due to the pollution prev