Core Viewpoint - The extreme cold testing in Mohe, Heilongjiang, is essential for validating the performance and reliability of heat pump air conditioning systems and other technologies in real-world conditions, leading to industry standards upgrades and technological breakthroughs [1][2][3][5]. Group 1: Testing and Certification - The testing period spans nearly five months, from December 2025 to April 2026, covering the coldest time of the year in Mohe [3]. - The company aims to complete testing and certification for heat pump air conditioning equipment for 16 enterprises, responding to market demand and promoting technological advancements [2][5]. - The testing focuses on core heating performance, noise anomalies, electrical safety risks, and the cold resistance limits of key components like compressors and heat exchangers [3][4]. Group 2: Methodology and Quality Control - A rigorous workflow has been established, including performance assessments under various weather conditions, regular inspections every four hours, and daily data analysis [4]. - Quality control measures include strict temperature difference tolerances of ±0.1 degrees Celsius and data collection frequency set to once per minute, with all results requiring dual verification [4]. Group 3: Broader Impact and Economic Benefits - The cold testing in Mohe has expanded beyond heat pumps to include vehicles, aircraft, and new materials, with over 1,600 vehicles tested annually and 23,000 items evaluated [4][5]. - The long-term testing in Mohe allows companies to identify technological breakthroughs, leading to more reliable products that can reach consumers [5]. - Mohe has transformed from a remote area due to its harsh climate into a hub for industrial upgrades and innovation, contributing significantly to the local economy [5].