Komori
Other Disclosures1964Chugai Ro Co.,Ltd.Construction and Materials

Delivery of a Hydrogen-Fired Sanitary Ware Firing Test Kiln to TOTO LTD.’s Kokura First Factory

Chugai Ro Co., Ltd. delivered a hydrogen-combustion test kiln for sanitary ware to TOTO’s Kokura Daiichi Plant. The equipment supports hydrogen-only combustion, city-gas-only combustion and mixed combustion, as well as uniform temperature distribution, low-NOx combustion and monitoring of oxygen concentrations inside the kiln.

Worth reading
78Important
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
140
Expected annual CO₂ emissions reduction (tonnes)
Wording
Conditional
How definitive the wording is.

Announced details

Hydrogen-combustion sanitary ware firing test kilnAutomatic air-fuel ratio control system EBC-iResidual oxygen concentration sensor Lambda Eye
Applicable field (uses covered by this announcement)

Sanitary ware firing processes; green hydrogen and city gas combustion testing

Launch dateDelivered. The specific delivery date is Not disclosed
What the company reported numerically
Quantitative Effects

Temperature distribution inside the kiln is controlled within ±5°C. Annual CO₂ emissions are expected to be reduced by approximately 140 tonnes

Usage history

TOTO began operating its sanitary ware firing process with a mixed-hydrogen combustion rate of approximately 20% by volume in January 2026

Relationship between the counterparty and the company
Chugai Ro Co.,Ltd.1964
Relationship with the Company

Business relationship in which Chugai Ro Co., Ltd. delivered a test kiln to TOTO LTD.’s Kokura Daiichi Plant

CounterpartyTOTO LTD. Kokura Daiichi Plant

Sanitary ware manufacturer. Other details, including location, representative, capital and year established, are Not disclosed

Location (as indicated in this announcement)

TOTO LTD. premises. The specific location is Not disclosed

Kiln dimensions: width 1,000 mm, depth 980 mm and height 1,015 mm. 3 burners

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

Custom survey conducted by Euromonitor International from February to March 2026

TOTO LTD. website

Announced details
ItemDetails
Names of Products / Services CoveredHydrogen-combustion sanitary ware firing test kiln, Automatic air-fuel ratio control system EBC-i, Residual oxygen concentration sensor Lambda Eye
CounterpartyTOTO LTD. Kokura Daiichi Plant
Counterparty overviewSanitary ware manufacturer. Other details, including location, representative, capital and year established, are Not disclosed
Relationship with the CompanyBusiness relationship in which Chugai Ro Co., Ltd. delivered a test kiln to TOTO LTD.’s Kokura Daiichi Plant
Launch dateDelivered. The specific delivery date is Not disclosed
Applicable areaSanitary ware firing processes; green hydrogen and city gas combustion testing
LocationTOTO LTD. premises. The specific location is Not disclosed
Location scaleKiln dimensions: width 1,000 mm, depth 980 mm and height 1,015 mm. 3 burners
Quantitative EffectsTemperature distribution inside the kiln is controlled within ±5°C. Annual CO₂ emissions are expected to be reduced by approximately 140 tonnes
Usage historyTOTO began operating its sanitary ware firing process with a mixed-hydrogen combustion rate of approximately 20% by volume in January 2026
SourceCustom survey conducted by Euromonitor International from February to March 2026, TOTO LTD. website
Items this document does not state (7)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateImpact on Business Performance

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

TOTO established mixed-combustion technology for green hydrogen and city gas in order to use hydrogen in the sanitary ware production process. Chugai Ro Co., Ltd. aims to contribute to a carbon-neutral society.

How to read this page

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Delivery of a Hydrogen-Fired Sanitary Ware Firing Test Kiln to TOTO LTD.’s Kokura First Factory | Chugai Ro Co.,Ltd. (1964) timely disclosure | Komori