1.Compact structure, reasonable design, excellent quality 2.copeland semi-hermetic compressor 3.R22,R404a,R407C,R134a 1. Semi-hermetic piston compressorAdopting world famous brand compressor—Copeland semi-hermetic piston compressor;Copeland has rich experience in manufacturing and service;The same manufacturing process and inspection procedure all over the world;High coefficient of performance, ...