XUEMEI brand air-cooled & water-cooled semi-hermetic condensing unit & water chilling unit: AC air-cooled & water-cooled condensing units; AC multi-compressors low-temperature condensing units; LSB air-cooled & water-cooled cold water units; DLW multi-compressors 2-stage low-temperature water-cooled condensing units; DW multi-compressors parallel-connected water-cooled condensing units; LFS air-cooled 2-stage low-temperature condensing units; LWS water-cooled 2-stage low-temperature condensing units.