China Coal Group Theatrical performances

The tunnel mucking machine used underground must have a production license, product qualification certificate, and coal mine product safety sign, otherwise it is not allowed to enter the well.

On May 22, a batch of mining flatbed trucks ordered by Guizhou merchants were loaded and shipped in the intelligent equipment manufacturing workshop of China Coal Group. This shipment of mining flatbe

On May 21st, a batch of mine-use single hydraulic prop equipment is loaded in the China Coal Group's intelligent equipment manufacturing workshop, and will soon be sent to a mine in Jinzhong City, Sha

On the morning of May 20, Yingjisha County Party Committee Vice Secretary, Jining Aid Xinjiang Command Comrade Sun Xizhong and his entourage visited China Coal Group, accompanied by Jining High-tech Z

At 10:30 a.m. on May 18, the live broadcast of the hydraulic prop of China Coal Group (China Coal 5g laboratory) was officially launched. Zhang Pu, the former director of planning of CCTV western chan

Someone recently asked why some steel structure parts of the raw material of the rock mucking loader are to be subjected to stress relief after welding. Today we will talk about it.