Rasa Corporation is mainly engaged in resource and metallic materials related business. The Company operates in six business segments. The Resources and Metallic Materials-related segment imports, exports and sells mineral products, mainly including zircon sand, and other goods. The Industrial and Construction Equipment-related segment engages in sale and maintenance of delivery equipment, and sale, rental and maintenance of shield tunneling machines and other construction machines. The Environment Facilities-related segment imports and sells high-pressure pumps. The Plant and Equipment Construction-related segment engages in design, construction and maintenance work related to plant and related equipment construction in various fields. The Chemical-related Products segment involves in the production and sale of plastics and chemicals. The Real Estate Rental-related segment leases real estate properties.