Hatsuho Shouji Co., Ltd. trades steel and construction materials in Japan. Its product range includes interior building materials such as steel ceiling framing, gypsum board, glass wool, and insulation materials, as well as exterior products including carports, sheds, fences, and stone materials. The company also offers housing and environment-related products, architectural hardware, metal siding, rain gutters, and various tools. Founded in 1946, it is headquartered in Nagoya, Japan.