| 1950s |
1951 |
Kitazawa Mfg. Works was established. The Nagasaka Plant was constructed in Nagasaka-cho, Yamanashi, and the Company started manufacturing and selling bronze valves. |
| 1952 |
The Nagasaka Plant received JIS certification for bronze valves. |
| 1959 |
Toyo Metals Co., Ltd., was established and started manufacturing brass rods. |
| 1960s |
1960 |
KITZ started using a high-performance automated production system using the most advanced machinery, including automated processing and molding machines from Europe and North America. |
| 1962 |
Company name changed to Kitazawa Valve Co., Ltd. |
| KITZ was the first in Japan to start using a brass hot forging press; started manufacturing and selling brass forged valves. |
| 1965 |
KITZ became a registered trademark. |
| 1967 |
Started manufacturing and selling ductile cast iron valves and stainless steel valves. |
| 1968 |
Started manufacturing and selling butterfly valves. |
| 1969 |
Started manufacturing and selling cast gray iron valves. |
| 1970s |
1970 |
Started operations at stainless steel valve casting facility and machining facility at the Nagasaka Plant. |
| 1973 |
Started operations at the Ina Plant. |
| 1974 |
Started manufacturing and selling cast steel valves. |
| 1975 |
Changed Japanese-character company name (still Kitazawa Valve Co., Ltd., in English). |
| 1980s |
1980 |
Adopted “CHRYSANTHEMUM-HANDLER” for cast bronze valves. |
| 1984 |
Shares listed on first section of Tokyo Stock Exchange. |
| Established KITZ Corporation of America in Houston, Texas. |
| 1985 |
Established KITZ Corporation of Taiwan in Kaohsiung, Taiwan. |
| 1988 |
Established KITZ (Thailand) Ltd., in Samutprakarn, Thailand. |
| 1989 |
The Nagasaka and Ina Plants earned ISO 9001 quality management system certification, making KITZ the first Japanese company to receive this certification. |
| 1990s |
1991 |
KITZ merged with TOYO Metals Co., Ltd. |
| Purchased ISO S.A. of Spain (currently KITZ Corporation of Europe, S.A.) to establish a manufacturing and sales base in Europe. |
| 1992 |
Changed name to KITZ Corporation and moved the head office to the Makuhari district of Chiba-shi. |
| 1994 |
Established KITZ Engineering Service Co., Ltd. |
| 1995 |
The Chino Plant was first in Japan’s brass bar industry to receive ISO 9002 certification for quality management systems. |
| Shimizu Alloy Mfg. Co., Ltd., joined the KITZ Group, enabling the Group to begin supplying products for water supply systems. |
| 1998 |
The Nagasaka Plant received ISO 14001 certification. |
| 1999 |
Announced the development of KEEPALLOY brass and bronze alloys that are easy to machine and are free of lead for environmental protection. |
| Miyoshi Valve Co., Ltd., joined the KITZ Group. |
| 2000s |
2000 |
The Ina Plant received ISO 14001 certification. |
| 2001 |
KITZ marked its 50th anniversary, announcing a New KITZ' Statement of Corporate Mission, Action Guide. |
| Purchased semiconductor manufacturing machine device business from the former Benkan Group and established KITZ SCT Corporation to operate this business. |
| 2002 |
Established KITZ Corporation of Kunshan in China. |
| 2003 |
Established KITZ Corporation of Shanghai in China. |
| Established KITZ Corporation of Jiangsu Kunshan in China. |
| 2004 |
Purchased valve business of the former Toyo Valve Co., Ltd., and began business at its reorganized operations. |
| Spun off the KITZ brass bar manufacturing and micro filter businesses to form KITZ Metal Works Corporation and KITZ Micro Filter Corporation. |
| 2005 |
Purchased brass bar manufacturing business of the former Kyoto Brass Co., Ltd. |
| 2007 |
Established KITZ Corporation of Lianyungang in China. |
| 2009 |
KITZ Metal Works Corporation and Kyoto Brass Co., Ltd., merged. |
| Purchased Perrin GmbH, a ball valve manufacturer in Germany. |
| 2010s |
2010 |
Established a new Long-term Management Plan called KITZ Global Vision 2020. |
| 2011 |
Established KITZ Corporation of Asia Pacific Pte. Ltd., in Singapore. |
| 2012 |
Transferred manufacturing operations of Toyo Valve Co., Ltd., to KITZ, changing Toyo Valve into a sales company. |
| 2013 |
KITZ Europe GmbH started operations as European regional headquarters. |
| Purchased Mikuni Engneering (Singapore) Pte. Ltd., an exclusive distributor in Singapore, and began operations as KITZ Valve & Actuation Singapore Pte. Ltd. |
| 2015 |
Purchased Micro Pneumatics Pvt. Ltd., industrial valve manufacturer in India |
| Established KITZ Valve & Actuation (Thailand) Co., Ltd. in Thailand. |
| Purchased copper and processed products business of the former Hokutoh Giken Kogyo Corporation |
| Purchased Metalúrgica Golden Art's Ltda., industrial ball valve manufacturer in Brazil |
| 2016 |
Announced capital and business alliance with TOA Valve Engineering Inc. |
| Established KITZ Corporation of Korea in Korea. |
| Purchased Filcore Co., Ltd., Hollow fiber membrane manufacturer in Korea. |
| 2017 |
Established KITZ Hong Kong Company Limited in Hong Kong. |
| Established KITZ Valve & Actuation (Malaysia) Sdn. Bhd. in Malaysia. |
| 2018 |
Purchased Cephas Pipelines Corp., industrial butterfly valves manufacturer in Korea. |
| Established KITZ Valve & Actuation Vietnam Co., Ltd. in Vietnam. |
| 2019 |
Acquisition of Shares in Unimech Group Berhad and Agreement of Capital and Business Alliance. |
| 2020s |
2020 |
KITZ Launches Package Unit Business for Hydrogen Refuelling Station. |
| Change of Accounting Period. |
| 2021 |
Director, Managing Executive Officer Makoto Kohno was appointed as President. |
