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Huiyuan Cowins Technology Group Limited has advanced its phase-change material technology for AI data centers through the Huailai Project, which integrates waste heat recovery to enhance energy efficiency. The system is projected to save up to 60% energy, provide over 75,000 GJ of heat annually, and reduce CO2 emissions by more than 4,000 tons. Following its successful implementation, the project serves as a replicable model for other data centers in China, with plans for further expansion in the PCM market.