Nichiha Corporation is a leading manufacturer of exterior wall materials in Japan, specializing in fiber cement (ceramic) siding products for both residential and commercial buildings, with a dominant domestic market share of approximately 59.5% in the ceramic siding segment as of FY2024. The company offers a lineup of over 800 exterior wall material variants and operates across the full value chain including manufacturing, processing, and construction services. Beyond its core exterior materials business, Nichiha also engages in fiber board production, exterior construction services, and urethane insulation panel manufacturing through its group subsidiaries.