1947 Sep
Established with a capital of 3 million yen.

Established with a capital of 3 million yen.
Merged with Nippon Ship Supply Co., Ltd., which had inherited the Japan Ship Supply Corporation established during World War II by integrating nationwide ship supply companies.
Osaka branch building completed.
Moji Branch buildling completed.
Head office buidling completed.
Increased capital to 100 million yen. Establish Santech.
Acquired 100% of Marinair Liferaft.
Kobe branch building completed.
Sanyo succeeded chart business from Nihon Kaiyo Sokuryo.
Santech succeeded flag business from Nihon Signal Flags.
Fukuoka branch building completed.
Yokohama branch building completed.
Osaka branch building completed.
Kyushu(Moji) branch building completed and relocated.
Santech launch to manufacture pilot ladders and embarkation ladders.