& nbsp; & nbsp; & nbsp; & nbsp; for year-round, with winter antifreeze, anti boil in summer, antiscaling in four seasons, the annual corrosion, perennial rust etc, long-term protection, multi effect, the effective period of not less than one year, non-toxic environmental protection, long-term assurance of cooling system in optimum state, a special formulation, without dilution. Cooling system for gasoline and diesel engines under various climatic conditions.