1883 SAITO Hajime, the first president, founded Saito Manufacturing in Fukuoka City.
1895 Invented steam sterilizer for well water. Acquired patent for the product.
   
1908 Started manufacture of cast iron radiators.
1910 Manufactured and delivered the radiator exclusively used on the train of the Meiji Emperor.
1915 Cooperated in the manufacture of the Arrow, the first compact car made in Japan.
1923 Exhibited a radiator at the 3rd Invention Exposition held in Ueno,Tokyo,winning first prize.
1933 Restructured the organization to a limited liability company.
1934 Changed the corporate name to Showa Manufacturing Co.,Ltd.
   
1967 Cooperated in research and development of the MS casting method with Mitsubishi Heavy Industries,Ltd.
1973 Adopted new casting method "V-process".
1984 Introduced Toyota production method to improve corporate management.
1990 Listed on the Fukuoka Stock Exchange.
1997 Urbanex Type FT functional guard fence won the gold prize of Good Design Award.
   
2000 Moved Thermodevices Division from Umi Plant to Hisayama Plant.
2001 Cooperated in development of girder connecting device.
2002 Developed food waste processor and started manufacture.
2003 Thermodevices Division obtained ISO9001 certification.
2004 Thermodevice Division's new plant was completed.
2005 Invested in Korea Pionics Co., Ltd.
2007 Started manufacture of natural refrigerant water heater "ECO CUTE".
founder
SAITO Hajime
ASAHI boiler
UN Type pollution free oil burner
FT Type functional guard fence
IR Multi-Stage Furnace
ECO CUTE