Northeast compressor is an equipment independently developed and produced by Northeast Group, and it is a domestic first-line brand. Northeast Group is a large-scale enterprise group focusing on R&D and production of refrigeration compressors, commercial refrigeration machinery, various castings and solar products. It has successively won the National Technology Innovation Demonstration Enterprise and the National Intellectual Property Advantage Enterprise, and the L series high-efficiency energy-saving and material-saving compressors independently developed have won the National Science and Technology Progress Award.