Manufacture of waterworks valvesDevelopment and sale of ultra-high-pressure ball valves for hydrogen stationsManufacture of environmentally friendly lead-free brass alloysValve manufacturingWater meter unitizationMembrane filtration water purification systemHousehold water purifiersOzone, ultraviolet, and photocatalytic water treatment devicesMetal fittings for water pipelinesIoT-compatible software and servicesProducts compliant with RoHS/REACHDevelopment of clean energy-related productsHydrogen station businessDevelopment of large-scale valves for liquefied hydrogenDevelopment, manufacturing, and sale of brass materials (lead-free, cadmium-free)Manufacture of sterilization and purification devicesDevelopment of products for clean energy fieldHydrogen station business using package unit typeDevelopment of large-scale valves for liquefied hydrogenBusiness related to fluidsSmall-scale municipal water purification equipment Aqua SeriesManufacturing and sales of water purification unitsWater supply support servicesValve businessCopper alloy products businessOthersManufacturing and sales of municipal water valves
Names without a link are companies not yet registered in OpenBizGraph
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Network
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History
42 EVENTS
Founded as Kitazawa Manufacturing Co., Ltd.
Toshio Kitazawa founded Kitazawa Manufacturing Co., Ltd.
Nagasaka factory becomes a JIS-approved factory for bronze valves
Nagasaka Factory completed; began manufacturing and selling bronze valves.
Started production of brass rods.
First in the country to manufacture and sell brass forged valves FH and FS.
Changed company name to Kitazawa Valve Co., Ltd.
Started manufacturing and selling ductile iron valves and stainless steel valves.
Started manufacturing and selling butterfly valves.
Started manufacturing and selling cast iron valves.
Started manufacturing and selling cast steel valves.
Changed company name to Kitazawa Valve Co., Ltd.
Founded – established production and sales system.
Listed on the Second Section of the Tokyo Stock Exchange.
Registered as a trademark.
Adopted the 'Chrysanthemum Handle' design for bronze valve handles.
Listed on the First Section of the Tokyo Stock Exchange.
Nagasaka and Ina factories become the first domestic companies to obtain ISO 9001 certification
Nagasaka Factory and Ina Factory obtained ISO 9001 certification.
Spanish ISO company (now KITZ Corporation of Europe, S.A.) joined the KITS Group.
Changed company name to KITS Co., Ltd. and moved headquarters to Chiba, Makuhari New City.
Channo factory becomes the first domestic brass rod manufacturer to obtain ISO 9002 certification. Shimizu Alloy Manufacturing Co., Ltd. joins the Kitz Group and fully enters the water sector.
Shimizu Alloy Manufacturing Co., Ltd., a water valve manufacturer, joins the KITZ Group.
Nagasaka factory obtains ISO 14001 certification
Announced the environmentally friendly lead‑free high‑ductility brass alloy and bronze alloy "KEEPALLOY (Keparoy)". Acquired semiconductor manufacturing equipment business from former Benka Group and launched new company Kitz S.C.T. Co., Ltd.
Acquired valve business from former Toyo Valve Co., Ltd. and started new company Toyo Valve Co., Ltd. Kitz's copper alloy and MF businesses were spun off into Kitz Metal Works Co., Ltd. and Kitz Microfilter Co., Ltd.
German ball valve manufacturer Perrin GmbH joins the Kitz Group
Toyo Valve Co., Ltd.'s production division transferred to Kitz, and Toyo Valve Co., Ltd. becomes a sales company
Established KITZ Europe GmbH as the European regional headquarters. Acquired Singapore's general agent Mikuni Engineering (Singapore) Pte. Ltd. and renamed it KITZ Valve & Actuation Singapore Pte. Ltd.
Indian industrial valve manufacturer Micro Pneumatics Pvt. Ltd., Northeast Technology Research Co., Ltd., and Brazilian industrial ball valve manufacturer Metalúrgica Golden Art’s Ltda. join the Kitz Group
Capital and business alliance with Tohua Valve Engineering Co., Ltd. Korean PSF membrane manufacturer Filcore Co., Ltd. joins the Kitz Group
During the 2016 Kumamoto earthquake, the water purification system 'Aqua Rescue' was deployed urgently.
Korean industrial butterfly valve manufacturer Cephas Pipelines Corp. joins the Kitz Group
During the July 2018 heavy rain, the water purification system 'Aqua Rescue' was deployed urgently.
Acquired shares of Unimech Group Berhad and entered into a business partnership agreement. Moved headquarters to Minato-ku, Tokyo (Shiodome area).
KITS Corporate Report 2021
An online press conference expressed expectations for further growth under the new President Kono.
KITZ celebrates its 70th anniversary.
With the change of president, Director Seiji Kono, Managing Executive Officer, assumes the role of Representative Director and President.
The construction of the KITZ Group Innovation Center, a 70th-anniversary commemorative project, has begun.
The 'Aqua Rescue' system was installed in the disaster area of the July 2020 heavy rain.
Transferred mechanical design to a company established with a nomination committee, etc.
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News
16 ARTICLES
Kitts supports hydrogen utilization demonstration in Nagano Prefecture
Kitts assisted in building a hydrogen supply scheme for the hydrogen utilization demonstration project to be conducted from October 26 to November 6, 2026, in the Norikura and Upper Takachiho areas of Matsumoto City. The project will include test operations of hydrogen taxis, fuel supply at mobile hydrogen stations, and demonstrations of hydrogen cooking. Kitts supported the coordination among stakeholders and the examination of the demonstration scheme, and its ultra-high-pressure hydrogen valve was also adopted.
Publishes technical booklet “KITZ Group Tech Journal”
KITZ has published “KITZ Group Tech Journal: Technology and Products of the KITZ Group,” a technical booklet introducing the Group’s technological foundation, new technologies, and new products. It highlights the characteristics of each market segment, the Group’s technological strengths, and its initiatives to create value by addressing social challenges, fostering co-creation with customers and partner companies.
"Kiku Handle®" Wins Design Awards Simultaneously
The "Kiku Handle®" for Kitts valves has received both the 2026 Long Life Design Award and the Good Design Award. Developed in 1978 and released in 1980, the total global sales of the installed valves have exceeded 100 million units. The design that transcends time and the pursuit of usability and safety have been recognized.
Kiku Handle® Wins Two Design Awards Simultaneously
Kits' valve "Kiku Handle®" simultaneously received the 2026 Long Life Design Award and the Good Design Award. Developed in 1978 and released in 1980, it has sold over 100 million units worldwide to date. The design that transcends eras, as well as the pursuit of usability and safety, has been recognized.
Deployment of Portable Water Purification Units in Kumamoto Earthquake
Kitts Group's Kitts SGS Co., Ltd. dispatched the portable water purification unit "Aqua Rescue" to Nishihara Village and Yatsushiro City in response to the water outage caused by the Kumamoto earthquake in July 2026, supporting the provision of drinking water. Since its launch in 2002, the company has continued to provide water support at disaster sites nationwide, and this initiative is being introduced on Disaster Prevention Day.
KCV Vietnam Branch Obtains ISO14001 and ISO45001
KCV, a group company of Kitts, has obtained certifications for ISO14001 (Environmental Management System) and ISO45001 (Occupational Health and Safety Management System). KCV is working on self-sufficiency of power through solar power generation, strengthening waste and chemical substance management, and promoting safety education and near‑miss incident activities. The Kitts Group will continue to promote reducing environmental impact and creating a safe and work‑friendly workplace.
MGA Corp. Wins Brazil Environmental Award
MGA Corp., a group company of Kitts based in Brazil, received the "Prêmio Expressão de Ecologia 2026" in the Environmental Management category. The award recognized ongoing efforts to reduce environmental impact, including waste management, environmental education, wastewater reuse, and promotion of a circular economy.
Kitts holds water spraying event on Water Day
On August 7, 2026, Kitts held the "1st Kitts Water Spraying Event" at its Chino factory in Chino City, Nagano Prefecture. Employees learned about the importance of water and its effective use through water spraying, and the ground surface temperature, which was about 52°C before the event, dropped to about 15°C after the event.
Kitts Metal Works Signs Technology Transfer Agreement for Copper Alloy Rods
Kitts Metal Works has entered into a technology transfer agreement with Mitsubishi Materials concerning copper rods and copper alloy rods, including Eco Brass®. The agreement includes the provision of manufacturing and quality control standards and technical documentation, strengthening the system that supports stable supply and high-quality product manufacturing. It also advances the development of high value-added products through integration with in-house technology and the expansion into new markets and applications.
Start of Water Supply Support in Kumamoto Earthquake Disaster Area
Kitts Group received a request from the site and installed the portable water purification system "Aqua Rescue" in Nishiwaramura, Kumamoto Prefecture, and began water supply activities. They purify the raw water that has deteriorated in quality due to the earthquake and supply water to the affected people. In addition, upon a request from PEAD, they are also advancing water supply preparations in Yatsushiro City.
