History

1954– 1
‘Hayakawa Plating Factory’ start Polishing and Plating for faucets.
1961- 7
Open a Casting Factory, start the integrated work fot Casting, Processing, Polishing, Plating and Assembling of faucets for water supply.
1963-12
The founder President Mr. Kyoichi Hayakawa start up and name ‘HAYAKAWA VALVE PRODUCTION CO., LTD.’.
1970- 7
Install full automatic Cu.Ni.Cr. plating equipment. Increase capital to 6 million yen.
1978- 1
Receive approval for the display of Japan Industrial Standard(JIS).（Approval number 477080）
1978- 4
Authorized by Japan Water Works Association (JWWA).（Registration number D-63）
1980- 4
Open a Polishing Factory in Kamioka-cho, Yoshiki-gun, Gifu.
1981- 4
Open a Sales Office in Chiba prefecture.
1982-10
Increase the Capital Stock to 26 million JPY.
1985- 4
Mr. Chiaki Hayakawa become Second generation President.
1985-10
Open a Sales Office in Osaka.
1991-10
Open an Assembly Factory and a Delivery Center.
1994- 7
Install additional fully automatic Cu.Ni.Cr. plating equipment.
1995- 8
Modernize the facility by expanding the processing plant.
1998- 5
Obtain ISO 9001
2000- 6
Obtain ISO 14001
2000- 8
Conclude introduction contract with TOTO Corporation for NPb processing technology.
2001- 6
Start the operation of NPb processing technology at plating division.
2003-11
Open another Assembly Factory in Takatomi, Yamagata-city, Gigu.
2004- 4
Mr. Norio Hayakawa become Third generation President.
2005- 9
Increase the Capital Stock to 78 million JPY.
2006-12
Mr. Tohru Hayakawa become Fourth generation President.
2012- 5
Relocate the Sales Office to Hamamatsu-cho, Minato-ku, Tokyo.
2012- 8
Change the company name to ‘MIZSEI MFG CO.,LTD.’ and Make Takatomi Factory its Head Office.
2012-10
Spin off casting division and establish “MIYAMA CASTING CO., LTD.”.
2014- 3
Open a Plastic Factory in Sano, Yamagata-city, Gifu.
2015- 3
Recognised The Driving Force of JAPAN Small and Medium Enterprises by METI.
2015- 6
Miyama factory get certified under NSF(Certification Number: C0229933-01).
2016- 5
Obtain Privacy Mark certification.
2016- 6
Found a holding company “MIZSEI HOLDING CO., LTD.”.
2018- 2
Identified as “GIFU prefecture Excellent Company Promoting Work-Life Balance”.
2018-12
Recognised Resional Future Towing Companies by METI.
2019- 2
Registered by GIFU Labor Bureau as “New Declaration Office Creating Lively Workplaces”.
2020-11
Obtain ISO 45001.
2021- 7
Capital and business alliance with SNEI LTD. (TSE Second Section Code #6230), by transferring 30% of shares.
2022- 5
Mr. Toru Hayakawa become Chairman. Mr. Seiji Hayakawa become Fifth generation President.
2023-11
Recognised by Gifu SDGs Promation Partners as “Gold Partner”.