Ruentex Engineering & Construction Co., Ltd. engages in the construction and civil engineering contracting business in Taiwan. The company operates through the Construction, Construction Materials Business, and Interior Decoration Design segments. It engages in mechanical and electrical installation; water supply installation; refrigeration, and air conditioning; planning, design and consultancy for civil and precast engineering; import and export trade; distribution and agency of the building materials and equipment; and interior decoration design, construction, and garden greening design. The company also produces and sells precast beams, columns, slabs, exterior walls, and various precast building structural components for civil engineering; masonry wall priming and finishing materials, tile adhesives, self-leveling cement, and dry-mixed cement mortar; and cement and semi-finished cement products. Ruentex Resources Integration Co., Ltd. was founded in 1975 and is based in Taipei, Taiwan.