Manufactures, processes, and sells metal products ranging from industrial components to construction materials. Provides diverse metal products across various industries through advanced processing technology and quality control.

Manufactures and sells concrete products including pipes, blocks, and retaining walls for civil engineering and construction applications. Also produces prestressed concrete products, supporting infrastructure development and construction projects.

Provides design, construction, and maintenance of building mechanical systems including HVAC, plumbing, and electrical installations for buildings and facilities.

Manufactures and sells food products including health foods, supplements, and functional foods designed to meet consumer health and nutritional needs.

Provides freight transportation services as a primary business, utilizing domestic logistics networks to meet corporate and individual shipping needs. Builds an efficient and reliable delivery system supporting the distribution industry.

Provides aerial survey and investigation services using aircraft, including topographic mapping, resource exploration, and environmental surveys. Also operates geographic information system-related businesses.