1. It is necessary to check whether the work place is safe, whether the gas concentration meets the requirements, and it is unsafe to operate. You must first cut off the power of the machine, lock the

In order to actively respond to the current complicated and ever-changing international economic situation, further enhance the awareness of the foreign trade enterprises on the current policies, and

Recently, some customers have reported that some companies have fraudulently use the“China Coal Brand ”, “China Coal Grop MA Certificate and Production License”, “China Coal Company” and “China Coal E

On the morning of July 10th, the Jining CPPCC held a special consultation forum on “Strengthening the innovation drive level of private enterprises and promoting the high-quality development of Jining

On the afternoon of July 10th, Shandong Publishing Supply Chain Management Co., Ltd. General Manager Gaofeng came to visit China Coal Group. China Coal Group Executive Deputy General Manager and E-Com

1. Power circuit of electrical system of rock loader: motor/cable drum/cable, etc.