1 Our company founded in 1948, it manufactures ancillary products such as refrigerators, coolers, heaters, and air conditioners.. 2 Saginomiya solenoid valves are mainly used in the manufacture of household appliances such as air conditioners and refrigerators.. 3 Saginomiya control technology is mainly used in refrigeration fields such as vending machines and display cabinet cold storage.. 4 Saginomiya solenoid valves are also widely used in transportation, medical, and semiconductor fields.