Ruentex Engineering & Construction Co., Ltd. engages in the construction and civil engineering contracting business in Taiwan. It operates through Construction Business, Building Materials, and Interior Decoration Design Divisions. The company offers electrical and mechanical engineering, water supply engineering, and refrigeration and air-conditioning engineering services, as well as clay used for wall primer, powder coating material, tile adhesive, self-leveling cement, and dry-mixed cement mortar applications. It is also involved in the manufacture and sale of beams, columns, floor slabs, exterior walls, and building structural components; planning, design, and consultancy for precast and civil engineering; import, distribution, and export of preceding materials and equipment; and interior decoration and garden greening design and construction business. Ruentex Resources Integration Co., Ltd. was founded in 1975 and is based in Taipei, Taiwan.