Gelonghui, December 28 | Haili Co., Ltd. (600619.SH) said on the investor interactive platform that the company currently has no hydrogen-fueled air compressor products. Compressors have various structural types and various fields of application. Compressors with different structures and different application fields have both technical commonalities and technical differences. The company has always been committed to exploring and developing new compressor structures and new application fields. Rotor compressors have expanded from the field of household air conditioning to non-household air conditioning fields such as light commercial air conditioners and heat pumps, and automotive electric scroll compressors have been widely used in new energy passenger cars, commercial vehicles, etc.