History

Miyairi Works Co., Ltd. was founded at Omori, Ota-Ku, Tokyo.

The factory was qualified and approved by QPL, USA.

The sales department was separated and became independent, and Miyairi Valve Sales Co., Ltd. was established.

Acquired a land of 186.332㎡ at the suburbs of Kofu City and started the construction of Kofu Factory as the 1st factory invited by Yamanashi Prefecture.

Listed in the Tokyo Stock Exchange Market Section 2.

Miyairi Valve Sales Co., Ltd. was merged, and the corporate name was changed to Miyairi Valve Mfg. Co., Ltd.

The Factory was designated as the plant approved by the Minister of international Trade and Industry(MITI).

Head office and Kofu Factory were qualified by ISO9001.

Entered into a business of LP-Gas Remote Observation System. Approved as a safety organization by the Ministry of Economy, Trade and Industry(METI).

Qualified by ISO14001.