Ruentex Engineering & Construction Co., Ltd. engages in the construction and civil engineering contracting business in Taiwan and internationally. 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; import, distribution, and export of building materials and equipment; and interior decoration and garden greening design and construction business. The company was founded in 1964 and is based in Taipei, Taiwan.