Mainly used in water heaters, washing machines, boiler, electromagnetic heaters , water dispenser, water purifier , water control machine , beer machine, electrolysis water machine , energy, water machine , heat pump water projects , card management systems , smart meter IC water meter, coffee machine , hot card machines, steam equipment , campus card sale of water systems, self- sale ( sale ) water machine, water treatment equipment, cooling system, circulatory system , smart toilet , heating equipment, mechanical equipment , instrumentation , pharmaceutical ( manufacturing aid ) equipment.