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The Japanese cement industry commenced the actual production of cement in 1875. The decades since have witnessed the relented pursuit of technological development, economic growth as a construction basic materials industry and other steady expansion and progress. Today, the sector ranks as a world leader in terms of production, quality, energy-saving technology, labor productivity, industrial waste and byproduct technological initiatives and on other fronts.
As of April 2023, the industry’s production scale spanned 30 plants owned by 16 companies, supporting clinker production capacity of 53 million tons.
Cement plants are located around Japan. There are particular high concentrations, however, in the Kyushu region (6 plants) and Yamaguchi Prefecture (4 plants), both areas known for their rich limestone resources, and the Kanto district - the nation’s largest cement consumption market (6 plants). At present, there are large-scale plants with annual clinker production capacity of over 6 million tons. Furthermore, around clinker production capacity per plant stands at approximately 1.8 million tons.
These plants continue to advance mechanization and computerization with the average number of full-time workers at each plant now slightly over 100 persons.
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