Recently, three models of hydraulic excavators for coal mines independently developed by China Coal Group successfully passed rigorous testing by the Changsha Mine Electrical and Mechanical Testing Center of the State Administration of Work Safety, earning the National Safety Mark Certificate for Mining Products. The acquisition of this certificate signifies that this series of products meets the highest national standards in both safety and reliability, laying a solid foundation for market access and large-scale application.

The successful acquisition of the safety certification marks a national-level authoritative endorsement of the exceptional quality and safety performance of this product series. This achievement not only provides authoritative quality assurance and legal market access for the large-scale promotion and application of the MWD series hydraulic excavators but also offers coal mining enterprises nationwide more secure, efficient, and intelligent equipment options. It will significantly advance the mechanization, automation, and intelligent transformation of coal mining operations.

Moving forward, China Coal Group will continue to uphold the principle of ‘safety first, quality foremost,’ guided by market demand. We will persistently increase investment in scientific research, deepen technological innovation, and continuously introduce more competitive high-end mining equipment. This commitment will contribute the ‘China Coal strength’ to safeguarding national energy security and advancing the safe, green, and sustainable development of the mining industry.