Denso Japan. Denso is a world-renowned automobile parts manufacturer with excellent compressor quality. Denso brand compressor used in Haier air conditioner is widely praised for its high efficiency, stability and low noise. Denso is a world-renowned manufacturer of auto parts, and its compressors are of excellent quality. Haier chose Denso compressor to ensure the quality and performance of Haier air conditioner. Finally, from the brand reputation, Haier air conditioning compressor reputation is also quite good. Haier enjoys a good reputation in China market, and the quality and service of its air-conditioning products have been recognized by consumers. Denso, as a supplier of compressors, has a good reputation and credibility in the international market, and Haier air-conditioning compressor has a good brand reputation.