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First president Motohiro Tsuji: At the age of 24, founded "Tsurumi Sho-kai Machinery Department". Determined to improve the hard work of farming and establish a manufacturing and sales business of agricultural machinery that would make farmers' lives easier and more prosperous. Founded the predecessor company, Tsurumi Sho-kai Machinery Department. Developed the TDL-type vertical pump for agriculture. Developed the TDL-type vertical pump for agriculture.
Taisho 13: Osamu Tsujimoto founded the Tsurumi Shokai Machinery Department. First president Osamu Tsujimoto. At age 24, founded the department. Determined to improve farming hardships and create agricultural machinery manufacturing and sales to make farmers' lives easier and richer. Developed the TDL-type agricultural vertical pump.
Tsuji Tsunemoto Toshizaburo founded the Tsuruji Trading Company Machinery Department.
Developed the TDL-type vertical pump for agricultural use.
De facto surviving company: Founded on January 5, 1924 (Taisho 13).
De facto surviving company: January 5, 1924 (Taisho 13).
De facto surviving company.
The company name was changed to Tsurumi Manufacturing.
In Showa 10, the company name was changed to Tsurumi Seisakusho.
Established: February 12, 1948 (Showa 23).
Establishment
Developed the TDW vertical pump for civil engineering and construction.
1950 (Showa 25): Developed the TDW-type vertical pump for civil engineering and construction.
In Showa 25, the TDW-type vertical pump for civil engineering and construction was developed. TDW-type vertical pump for civil engineering and construction.
Reorganized as a corporation and established Tsurumi Seisakusho Co., Ltd. : Tsuji Tsurumoto Jizaburo : Became the first president.
1951 (Showa 26): Reorganized as a corporation and established Tsurumi Manufacturing Co., Ltd. First president, Toshizaburo Tsujimoto, appointed.
In Showa 26, reorganized as a corporation and established Tsurumi Seisakusho Co., Ltd. Osamu Tsujimoto became the first president.
Reorganized into a corporation and established Tsuruji Manufacturing Co., Ltd.
Tsuji Tsunemoto Toshizaburo became the first president.
Reorganized into a corporation on December 24, 1951 (Showa 26).
Founded: December 24, 1951 (Showa 26), reorganized as a corporation.
Converted into a corporation.
Developed the first underwater pump.
In Showa 28, developed the first "underwater pump". Underwater pump.
Second president Tsuji Tsurumoto Jio: Assumed office in 1961. During the era of rapid economic growth, as the market expanded nationwide, he focused on strengthening manufacturing and development systems and establishing a domestic sales network, addressing key management challenges.
1961 (Showa 36): Toshio Tsujimoto became the second president. During the era of rapid economic growth, the market expanded nationwide, and the company strengthened its manufacturing and development systems while developing a domestic sales network.
In Showa 36, Osamu Tsujimoto became the second president. In 1961, he assumed the role of second president, focusing on strengthening manufacturing and development systems and establishing a domestic sales network amid rapid nationwide market expansion during the era of rapid economic growth.
Tsuji Tsunemoto Toshio became the second president.
Developed the underwater baby pump BB model.
1963 (Showa 38): Developed the underwater baby pump BB model. It could be used with a household 100V power supply and was a groundbreaking lightweight (15 kg) underwater pump at the time.
In Showa 38, developed the BB-type underwater baby pump. It could be used with a household 100V power supply and was a groundbreaking small and lightweight (15 kg) underwater pump at the time. BB-type underwater baby pump.
Concept of a nationwide 2-hour network service. By 1980 (Showa 55), established a sales network at 63 nationwide locations. Developed the first industry underwater pump with built-in Circle Summer Protect (motor protection device).
1965 (Showa 40): Announced the concept of a nationwide 2-hour network service by car.
In Showa 40, the concept of a "network service within two hours nationwide" was conceived. By 1980 (Showa 55), a nationwide sales network of 63 locations was established. Developed the first industry underwater pump with built-in Circle Summer Protect (motor protection device).
Concept of a nationwide 2-hour car network service.
Developed the first industry water pump with built-in Circle Summer Protect (motor protection device).
Developed the MB model equipment underwater auto pump (electrode type).
1967 (Showa 42): Developed the equipment underwater auto-pump MB model (electrode type).
(Showa 42) : Developed the MB model of equipment underwater auto-pump (electrode type). : Equipment underwater auto-pump (electrode type) MB model
Promised the first industry 1-year warranty. Developed the TB model equipment underwater auto pump (float type).
1968 (Showa 43): Introduced the industry's first one-year warranty and developed the equipment underwater auto-pump TB model (float type).
(Showa 43) : Announced the industry's first one-year warranty. : Developed the TB model of equipment underwater auto-pump (float type). : Equipment underwater auto-pump (float type) TB model
Promised the first industry one-year warranty.
Developed the TB-type floating automatic underwater pump for equipment use.
As the first step of overseas strategy, established a Taipei branch office in Taiwan. Completed the first industry small underwater pump dedicated factory.
1969 (Showa 44): As the first step in overseas strategy, established a Taipei branch office in Taiwan and completed the industry's first dedicated small underwater pump factory.
(Showa 44) : As the first step of overseas strategy, established a Taipei branch office in Taiwan. : Completed the industry's first dedicated small underwater pump factory. : Small underwater pump dedicated factory
Opened a Taipei branch office in Taiwan as the first step in overseas strategy.
Completed the first industry small underwater pump dedicated factory.
Completed the first industry large line factory. Large line factory: Developed the first industry underwater high-spin pump SS model.
1970 (Showa 45): Completed the industry's first large-line factory and developed the SS model, the industry's first underwater high-spin pump.
(Showa 45) : Completed the industry's first large line factory. : Large line factory : Developed the SS model of underwater high-spin pump.
Completed the first industry large line factory.
Developed the first industry underwater high-spin pump SS type.
Completed the Osaka headquarters building (3 stories).
(Showa 46) : Completed the Osaka headquarters building (3 stories). : Osaka headquarters building
Completed the Tsurumi Product Center. Started cutting-edge automation production of small underwater pumps.
1973 (Showa 48): Completed the Tsurumi Product Center and began cutting-edge automated production of small underwater pumps.
(Showa 48) : Completed the Tsuru-ki Product Center. : Started cutting-edge automation production of small underwater pumps. : Cutting-edge automation production
Completed the Tsuruji Product Center.
Started cutting-edge automation production of small underwater pumps.
Established a local sales subsidiary in Hong Kong.
1976 (Showa 51): Established a local sales subsidiary in Hong Kong.
(Showa 51) : Established a local sales subsidiary in Hong Kong.
Established a local sales subsidiary in Singapore.
1978 (Showa 53): Established a local sales subsidiary in Singapore.
(Showa 53) : Established a local sales subsidiary in Singapore.
Established a local sales subsidiary in Chicago, USA.
1979 (Showa 54): Established a local sales subsidiary in Chicago, USA.
(Showa 54) : Established a local sales subsidiary in Chicago, USA.
Established a sales network at 63 nationwide locations.
Listed on the Osaka Stock Exchange Second Section.
1981 (Showa 56): Listed on the Second Section of the Osaka Stock Exchange.
(Showa 56) : Listed on the Osaka Stock Exchange Second Section.
Completed the Kyoto factory. Completed as the first industry computer-controlled cutting-edge FMS (Flexible Manufacturing System) factory.
1982 (Showa 57): Completed the Kyoto plant, becoming the industry's first computer-controlled, state-of-the-art Flexible Manufacturing System (FMS) factory.
(Showa 57) : Completed the Kyoto plant. Completed as the industry's first computer-controlled cutting-edge FMS (Flexible Manufacturing System) factory. : FMS (Flexible Manufacturing System) factory
Delivered two of the largest underwater swirl pumps in the country at the time (discharge diameter 1000mm, output 220kW) for flood control to Nagano Prefecture. The following year, delivered an even larger underwater swirl pump (discharge diameter 1100mm, output 330kW) to Takatsuki City, Osaka Prefecture.
(Showa 58) : Delivered two of the largest domestic underwater swirl pumps (discharge diameter 1000mm, output 220kW) for flood control to Nagano Prefecture. : The following year, delivered an even larger underwater swirl pump (discharge diameter 1100mm, output 330kW) to Takatsuki City, Osaka Prefecture. : Underwater swirl pump
Delivered two of the largest domestic underwater axial-flow pumps (discharge diameter 1000mm, output 220kW) for flood control to Nagano Prefecture.
Delivered a larger underwater axial-flow pump (discharge diameter 1100mm, output 330kW) to Takatsuki City, Osaka Prefecture.
Listed shares on the Tokyo Stock Exchange Second Section.
1988 (Showa 63): Listed shares on the Second Section of the Tokyo Stock Exchange.
(Showa 63) : Listed shares on the Tokyo Stock Exchange Second Section.
Our underwater pumps were used in the caisson installation of the Akashi Kaikyo Bridge.
1989 (Heisei 1): Our underwater pumps were used in the caisson sinking of the Akashi Kaikyo Bridge.
(Heisei 1) : Our underwater pumps were used in the caisson sinking of the Akashi Kaikyo Bridge. : Our underwater pumps were used in the caisson sinking of the Akashi Kaikyo Bridge
Reclassified to the First Section of the Tokyo and Osaka Stock Exchanges. At that time, we announced a new communication mark. The following year, we made the "Amenics Declaration of Comfortable Engineering for People and the Earth." Our products were used in the "Water Ride" water transportation system at the "Flower and Green Expo" held in Tsurumi-ku, Osaka.
1990 (Heisei 2): Moved to the First Section of the Tokyo and Osaka Stock Exchanges. Announced a new communication mark and, the following year, declared the 'Amenics (Comfort Engineering for People and Earth)' statement. Our products were used in the water transport system 'Water Ride' at the 'Flower and Green Expo' held in Tsurumi-ku, Osaka.
(Heisei 2) : Moved to the First Section of the Tokyo and Osaka Stock Exchanges. At this time, announced a new communication mark. : The following year, made the "Comfort Engineering for People and Earth - Amenics Declaration". : Our products were used in the water transportation "Water Ride" at the "Flower and Green Expo" held in Tsurumi-ku, Osaka.
Reclassified to the First Section of the Tokyo and Osaka Stock Exchanges. Announced a new communication mark.
Our product was adopted for the waterborne transportation 'Water Ride' at the 'Flower and Green Expo' held in Osaka's Tsurumi-ku.
Announce the 'Comfort Engineering for People and Earth - Amenics Declaration'.
Developed the small-scale underwater pump series VANCS for equipment use.
(Heisei 4) : Developed the VANCS series of equipment small underwater pumps. : VANCS
New Kyoto plant completed. Our underwater pumps were used in the passenger terminal building at Kansai International Airport.
1994 (Heisei 6): Completed the new Kyoto plant, and our underwater pumps were used in the passenger terminal building of Kansai International Airport.
(Heisei 6) : Completed the new Kyoto plant. : New Kyoto plant : Our underwater pumps were used in the passenger terminal building of Kansai International Airport.
New Kyoto plant completed.
Our underwater pumps were adopted for the Kansai International Airport passenger terminal building.
The Kyoto plant became the first underwater pump manufacturer to obtain ISO 9001 certification.
(Heisei 7) : The Kyoto plant became the first underwater pump manufacturer to obtain ISO9001 certification.
The new Osaka headquarters building (7 stories) was completed. The Taiwan factory, the first overseas production site, was completed in Taoyuan City, Taiwan. Production of underwater pumps began at the Taiwan factory.
1997 (Heisei 9): Completed the new seven-story Osaka headquarters and the Taiwan plant in Taoyuan City, which became the company's first overseas production base. Production of underwater pumps commenced.
(Heisei 9) : Completed the new Osaka headquarters building (7 stories). : Osaka headquarters new building : Completed the Taiwan factory in Taoyuan City, Taiwan, becoming the first overseas production base. Started production operations of underwater pumps. : Taiwan factory
New Osaka headquarters building (7 stories) completed.
Taiwan plant, the first overseas production base, completed in Taoyuan City, Taiwan.
Commenced production operations of underwater pumps.
Third-generation president, Dr. Tsuji Motohiro: Upon assuming the third-generation presidency, developed the oil lifter lubrication device for the mechanical seal of underwater pumps. Contributed to improving reliability and reducing maintenance costs of the mechanical seal, the heart of underwater pumps.
In 1998 (Heisei 10), Osamu Tsujimoto became the third president and developed the "Oil Lifter", a lubrication device for mechanical seals of underwater pumps.
(Heisei 10) : Tsuji Naoto : Became the 3rd president : Tsuji Naoto became the 3rd president : Developed the oil refiller, a lubrication device for mechanical seals of underwater pumps. Contributed to improving reliability and reducing maintenance costs of the mechanical seal, the heart of underwater pumps. : Oil Refiller
Tsuji Motohiro, the third-generation president, assumed office.
Developed the 'Oil Lifter', a lubrication device for the mechanical seal of underwater pumps. Contributed to improving reliability and reducing maintenance costs of the mechanical seal, the heart of the underwater pump.
Published the inaugural issue of the internal and external newsletter "Amenics." Developed the variable-speed-driver underwater pump utilizing breakthrough technology. Obtained the Construction Technology Certification (sewage technology).
In 1999 (Heisei 11), the company launched the inaugural issue of its internal and external newsletter "Amenics" and developed an underwater pump with a variable-speed driver utilizing groundbreaking technology. It also obtained a construction technology certification (sewer technology).
(1999) : Published the inaugural issue of the internal and external corporate magazine 'Amenics'. : Developed a variable-speed driver-equipped underwater pump utilizing breakthrough technology. : Obtained the Construction Technology Review Certificate (sewer technology).
Published the inaugural issue of the internal and external newsletter 'Amenics'.
Developed an underwater pump with a variable-speed driver utilizing breakthrough technology.
Obtained the Construction Technology Certification (sewage technology).
Tokyo headquarters began operations in its own owned building. The Kyoto plant obtained ISO 14001 certification.
In 2000 (Heisei 12), the Tokyo headquarters began operations in its own owned building, and the Kyoto plant obtained ISO 14001 certification.
(2000) : Tokyo headquarters began operations in its own owned building. : Tokyo headquarters : Kyoto factory obtained ISO14001 certification.
Tokyo headquarters began operations in its own owned building.
Kyoto plant obtained ISO 14001 certification.
Established a local sales subsidiary in Malaysia. Osaka headquarters, Tokyo headquarters, and various branches obtained ISO 14001 certification.
In 2001 (Heisei 13), a local sales subsidiary was established in Malaysia, and the Osaka headquarters, Tokyo headquarters, and various branches obtained ISO 14001 certification.
(2001) : Established a local sales subsidiary in Malaysia. : Obtained ISO14001 certification at Osaka headquarters, Tokyo headquarters, and various branches.
Established a local sales subsidiary in Malaysia.
Obtained ISO 14001 certification at Osaka headquarters, Tokyo headquarters, and various branches.
Completed the China factory (now Shanghai factory) in Shanghai, China. Began production of underwater pumps and built-in motors.
In 2002 (Heisei 14), the China factory (now Shanghai factory) was completed in Shanghai, China, and production of underwater pumps and built-in motors commenced.
(2002) : Completed the China factory (now Shanghai factory) in Shanghai, China. : Began production of underwater pumps and built-in motors.
Chinese factory (now Shanghai factory) completed in Shanghai, China.
Commenced production of underwater pumps and built-in motors.
Limited production sale of the Hanshin Tigers Pump LB-480 model.
In 2003 (Heisei 15), the Hanshin Tigers Pump LB-480 model was sold in limited quantities.
(2003) : Limited quantity sales of the Hanshin Tigers Pump LB-480 model. : Hanshin Tigers Pump LB-480 model
Merged with Awamura Manufacturing. Fully entered the large-scale sewage pumping and liquid-sealed pump business.
In 2004 (Heisei 16), a management integration with Awamura Manufacturing was carried out, and the company fully entered the large-scale water pumping and liquid-sealed pump business.
Merged with Awamura Manufacturing.
Fully entered the large-capacity pumping and liquid-sealed pump business.
Large-capacity pumping and liquid-sealed pump business.
Established a local sales subsidiary in South Korea.
In 2006 (Heisei 18), a local sales subsidiary was established in South Korea.
Established a local sales subsidiary in Thailand.
In 2007 (Heisei 19), a local sales subsidiary was established in Thailand.
Completed the VP building, dedicated to machine processing, at the Yonago plant.
Shanghai factory obtained ISO 9001 and ISO 14001 certifications.
In 2010 (Heisei 22), the Shanghai factory obtained ISO 9001 and ISO 14001 certifications.
Completion of the Miya-ono Factory Fluid Research Building.
Expanded the large test tank.
Delivered a new Turbine vertical axial flow pump with the largest diameter from Tsurumi (discharge diameter 1800 mm, output 420 kW, gas turbine engine driven) to Nagano Prefecture.
Completed the new Taiwan factory in Taoyuan City, Taiwan.
The electrode-type autonomous underwater pump series has been registered with NETIS.
Subsequently, items such as the oil refiller that realized long life for underwater pumps were registered in sequence.
Primarily produces small underwater pumps.
Established a local sales subsidiary in Indonesia.
Development of the JD-type multi-disc centrifuge.
Alongside the existing multi-plate screw press dewatering machines, expands the lineup for the small dewatering machine market.
Developed the multi-disc type dewatering machine JD model. Combined with the existing multi-disc screw press dewatering machine, it expands the lineup for the small dewatering machine market.
Completion of the Miya-ono Factory Training Building / Office Building.
Established a local sales subsidiary in the United Arab Emirates.
Completion of the Miya-ono Factory Shape Research Institute.
Vietnam Ho Chi Minh City factory completed.
Developed high-efficiency underwater non-clog pump type B.
Initiated research on sand mold fabrication using a sand-layered forming device (3D printer).
New Shanghai factory completed in Shanghai, China.
Established a local sales subsidiary in Australia.
Integrated vacuum pump, underwater pump, and motor production facilities.
New Shanghai factory completed in Shanghai, China, integrating vacuum pumps, underwater pumps, and motor production facilities.
Turumi East Japan Logistics completed in Utsunomiya City.
Established a local sales subsidiary in South Africa.
The largest domestic underwater pump (column-type underwater pump SSP type) performed well at Japan's first artificial canoe slalom course.
Serves as a logistics hub for eastern Japan.
Tsurumi East Japan Logistics completed in Utsunomiya City, serving as a logistics hub for East Japan.
New large pump production building completed at Yonago factory.
Developed underwater non-clog smash pump type BN.
Equipped with an underground test tank holding 3,500 m³ at a depth of 11 m.
Developed the groundbreaking underwater non-clogging smash pump BN model, combining high efficiency and flow performance.
Yonago factory's new large pump production building completed, featuring an underground test tank with a depth of 11 meters and a capacity of 3,500 cubic meters.
Moved to the Tokyo Stock Exchange Prime Market due to a change in market classification.
Alloy Technology Casting Division (Yao factory) completed.
Kyoto factory launched the 'Manufacturing Innovation Project' for the next 100 years.
Started the company's first special steel casting business by a group company.
Alloy Technology Casting Division (Yao factory) completed, initiating the company's first special steel casting business by a group company.
100th anniversary of founding.
Fully acquired ZENIT Co., Ltd. of Italy as a subsidiary.
Motor production building completed at Kyoto factory.
Completed a casting plant at the Alloy Technology Nanbu Town facility.
Established a local sales subsidiary in Chile.
Made Fuji Maru Industry a wholly-owned subsidiary.
The CAD, drawings, and manual download site has become available without membership registration or login as of November 10, 2026. All customer information previously registered has been deleted, and no further action is required. We will continue to strive for a service that can be used with peace of mind.
The web order system "Net Turumi" has completed vulnerability countermeasures and post-update operation checks, and was restored on October 22, 2026 at 10:20, and is available for use as usual. The download site for CAD, drawings, and user manuals remains under maintenance, and the restoration date is yet to be determined.
Tsurumi Manufacturing will exhibit at the 58th Comprehensive Pipe and Equipment Materials & Facilities Exhibition, held from October 21-23, 2026 (Wednesday to Friday) at the Hamamatsu-cho Hall of the Tokyo Metropolitan Industrial Trade Center. The exhibition will showcase the underwater non-clog type smash pump BN model, the "VANCS" underwater pump series, and the low-level drainage and suction pump series, with demonstrations of the low-level drainage and suction pumps.
Tsurumi Manufacturing Co., Ltd. cooperated with reporting for NHK Osaka’s Kansai Netsu Shisen, scheduled to air on September 11, 2026, and an employee will appear. The episode, “Exploring Coexistence between Foreigners and Japanese People: Otokoyama, Kyoto,” introduces the work and daily lives of foreign employees and the support provided to them.
Tsurumi Manufacturing Co., Ltd. donated 2 million yen to support the recovery and reconstruction of the Kumamoto earthquake disaster area in Reiwa 8. We express our condolences to those affected and wish for a swift recovery and reconstruction.
Tsurumi Manufacturing will exhibit sewage treatment equipment such as submersible pumps at the Aquaponics and Land-based Aquaculture Equipment Exhibition held at Tokyo Big Sight from July 15 to 17, 2026.
From August 4 to 7, 2026, at the Sewage Expo '26 Tokyo held at Tokyo Big Sight, we will showcase innovative pumps and drainage systems.
The tightening of the Middle East situation has caused disruptions in the supply of crude oil, naphtha, and other materials, making procurement of some materials uncertain. Consequently, the production and supply of products using those materials, as well as the specifications, production schedules, and delivery dates of some products, may be affected. Tsurumi Manufacturing is working on alternative materials and diversifying suppliers, and will provide individual explanations and consultations to affected customers.
Tsurumi Manufacturing demonstrated its efforts in environmental risk management by obtaining a B score in the climate change and water security sectors in the 2025 CDP survey.
On the YouTube channel "AMANO SCOPE", Kyoto factory, Yonago factory shaping research institute, and Alloy Technology new casting factory were featured. The background of in-house production, initiatives, motor production, and casting processes using 3D sand mold shaping technology are introduced. The first episode was released on December 12, 2025, and the second episode is scheduled for release on December 19.