On February 24, temperatures in Hailar District, Hulunbuir, Inner Mongolia dropped to –40 degrees Celsius, yet one hundred CiDi autonomous mining trucks operated at full capacity, completing loading, hauling, and unloading cycles on the first day of operations following the Chinese New Year holiday.

The Hailar mining area is a key base of China’s national energy supply. In September 2025, Mengdong Mining Construction partnered with CiDi to deploy one hundred autonomous mining trucks, establishing a mine-wide unmanned autonomous haulage system in this designated intelligent mining demonstration zone.

Prior to deployment, haulage operations relied on human drivers. Each year, extreme cold and hazardous road conditions delayed workforce return after the Spring Festival, frequently postponing production restart and disrupting operational continuity. With autonomous haulage in place, production can now resume through remote operations without requiring on-site drivers, significantly reducing weather-related disruptions.

From December 2025 through January 2026, prolonged freezing weather and icy road surfaces posed additional operational challenges. Through CiDi enhanced anti-slip control, dynamic speed optimization, vehicle stability systems, and advanced environmental perception technologies, the fleet maintained stable performance during low-temperature start-up and ice-surface driving, with no production interruptions.

The one-hundred-truck fleet is now operating under normalized, continuous production conditions at the open-pit coal mine in Hailar District.