... Danfoss valves, Carel controller and Germany Bitzer Screw compressor 1, Bitzer, Bock, Copeland, Daikin, SANYO and more famous brand compressors are ... such as Danfoss valves, Carel temperature controller and Germany Bitzer compressor;3, Energy-saving and environmental protection: Compared with the ... and more;7, Customized specifications are accepted; Screw Paralle Compressor Unit--low temperature-Bitzer