Water-water cooling units are heat exchange equipment that uses plate heat exchangers to heat generating bodies, and is widely used in liquid-liquid heat exchange. Water-oil heat exchange, water-liquid heat exchange. This product is suitable for water-cooled thyristor intermediate frequency power supply, high-power silicon rectification, high-frequency power supply and water-cooled induction coil, etc. for petrochemical, electric furnace, pharmaceutical, food, papermaking, machinery, metallurgy, shipbuilding, power generation, etc. Electrical equipment with high requirements for cooling water quality as a cooling protection pass-by.