High quality compressor considering that the compressor is the heart of the cooling-water machines, progress cooling-water machines select and use imported high quality prototype compressors from Europe, America and Japan. built-in security protection settings, lowest noise, lowest electricity consumption and longest service life will bring you full satisfaction. Water tank evaporator water tank evaporator is made with thick stainless steel having automatic water compensation function. with out requiring of installation of expansion water tank make maintenance more convenient and is fit for high flow rate and small temperature difference and other special applications Optional pump settings We can provide imported high efficiency and low energy consumption pump according to the requirement of the consumers to make the in stallation and using of the progress water-cooling machine more quick and convenient