The compressor we use are world famous danfoss, emerson make hermetically sealed, scroll type compressor, condensers and evaporator are fin and tube air cooled or shell and tube water cooled. We are doing secondary system like propylene glycol and coolant oil used chillers. Water flow rate as per customers requirement like 35 lpm to 500 lpm + refrigerant used r 22, r-134a, r 407c.