SustainabilityEnvironmentMaterial balance

We strive to reduce environmental impact by ascertaining and analyzing the actual status of how much resources and energy are used in our production processes and what kind of environmental impacts are generated.

Input (Energy, Raw materials, Water intake)

Energy consumption volume

	Fiscal 2018	Fiscal 2019	Fiscal 2020	Fiscal 2021	Fiscal 2022
Electricity (MWh)	39,817	40,155	39,825	42,491	42,891
Kerosene (kl)	217	229	209	203	188
LPG (kg)	12,807	13,161	10,615	16,014	16,188
Diesel (kl)	34	31	31	32	26
Gasoline (kl)	100	108	101	88	88
City gas (m³)	110,227	128,768	160,944	165,732	149,164
Acetylene (kg)	-	-	-	-	16,142
Total energy consumption (crude oil equivalent) (kl)	415,267	420,111	417,148	443,572	446,927

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Trend regarding volume of use of raw materials

Not including substrates

	Fiscal 2018	Fiscal 2019	Fiscal 2020	Fiscal 2021	Fiscal 2022
Thermal spray materials (t)	291.5	325.2	297.2	271.9	298.7
Other materials (t)	65.8	74.0	59.2	94.3	113.1

Due to partial omission in aggregating data for other materials, performance data has been revised for the period from fiscal 2018 to fiscal 2021.

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Trend regarding volume of water intake

	Fiscal 2018	Fiscal 2019	Fiscal 2020	Fiscal 2021	Fiscal 2022
Clean water (m³)	63,525.0	63,610.0	65,850.0	69,552.0	78,410.0
Pure water (m³)	29.8	19.8	18.1	16.5	18.0
Groundwater (m³)	0.0	0.0	0.0	0.0	0.0

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Output (Waste, Emissions to atmosphere, Effluent, Recycling)

Trend regarding volume of waste emissions

	Fiscal 2018	Fiscal 2019	Fiscal 2020	Fiscal 2021	Fiscal 2022
General business waste (t)	59.7	70.0	59.3	57.6	61.2
Total industrial waste (t)	1,776.1	1,840.6	1,959.5	2,113.5	2,161.4

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Trend regarding volume of emissions to atmosphere

	Fiscal 2018	Fiscal 2019	Fiscal 2020	Fiscal 2021	Fiscal 2022
PRTR Law Class 1 Designated Chemical Substances (t)	3.1	2.5	1.0	1.0	1.3

Due to partial omission in aggregating data for fiscal 2021 performance, figures have been revised.

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Effluent volume

	Fiscal 2018	Fiscal 2019	Fiscal 2020	Fiscal 2021	Fiscal 2022
Sewage (m³)	47,613.0 （2,330.4）	47,625.0 （2,528.0）	49,338.0 （1,640.1）	54,776.0 （1,939.4）	60,810.0 （1,518.1）
Seawater (m³)	11,283.0	10,434.0	10,984.0	9,193.0	9,710.0

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The numbers in parentheses are the volume of factory effluent that has undergone wastewater processing
Wastewater discharged from sites using septic tanks is defined as “seawater.”

Recycling volume

	Fiscal 2018	Fiscal 2019	Fiscal 2020	Fiscal 2021	Fiscal 2022
Metal scraps (t)	145.8	90.6	108.4	90.1	111.7
Thermal spray material waste (t)	24.1	28.6	27.4	21.2	15.1
Blasting material waste (t)	569.1	570.8	716.4	686.2	715.6
Oil waste/Solvent waste (t)	11.2	9.2	12.0	12.0	16.6
Paper (t)	29.9	19.2	46.2	38.3	33.2

Due to revised recycling standards and the resulting re-tabulation of data, waste plastic performance data has been removed.

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