At China Refrigeration (CR) 2021, the numbers of exhibitors and compressor product categories increased significantly compared with previous years. The mainstream compressors were all exhibited, covering small, medium, and large capacities. Their applications include residential, commercial, and automobile air conditioning, refrigeration and freezing, and heat pump space heating and hot water production. In particular, there were more compressors with new structures or unique functions, reflecting the potential of manufacturing in China.