AMAX (AMAX) ARH heating and heat exchange unit series products combine plate heat exchangers, water pumps, and control equipment into a highly integrated whole, so that each component can be organically combined and coordinated to operate, improve operating efficiency, and greatly save customers Space in the computer room shortens the construction period of the computer room. According to the user's site space, Amasi can improve the structure of the plate heat exchanger to make the primary and secondary side pipelines more reasonable, lower the pressure drop, and run more energy-saving.