As the largest horsepower bulldozer in China, the SD90-C5 mountain bulldozer, specially designed for heavy-duty working conditions such as large mines, has excellent performance in terms of power, efficiency, and reliability. It is equipped with QST30 electronic control engine, which has a traction force far exceeding that of similar products; Lock in hydraulic torque converter, the output torque can vary with the load, saving 10% -15% fuel while ensuring power. The equipment adopts a dedicated heavy-duty mining chassis and K-type elastic suspension support wheels, providing a 2-year and 4000 hour ultra long warranty. The ergonomic cab is equipped with suspended seats and an integrated console, with ear noise levels below 80dB, greatly improving operational comfort. The convenient maintenance design also provides strong support for high-intensity continuous operations. This batch delivery is a high recognition of Shantui's products and services by the customer. In the future, Shantui will continue to uphold the mission of "empowering equipment with technology", increase research and development investment, improve service networks, provide customers with more competitive equipment and full cycle solutions, and work together with more mining enterprises to promote high-quality development of the industry.