Te Chang Construction Co., Ltd. engages in the construction contracting and civil engineering business in Taiwan and Thailand. The company undertakes various projects, such as public buildings, hospital, school, social housing, redevelopment of national housing and military dependents' villages, technology plants, commercial buildings, office buildings, civil engineering, and other projects. It also provides electrical, mechanical, fire-fighting, and air-conditioning equipment engineering services; construction planning, design, and management services; and general advertisement services. In addition, the company is involved in the rental and sale of residential and buildings; wastewater treatment and integrated manufacturing business; operates general retail and department stores; manufactures tires, bicycles, and bicycle parts, as well as mortar, ready-mixed concrete, and household stones; wholesales and retails building materials; and trades in real estate. Te Chang Construction Co., Ltd. was founded in 1986 and is based in Taichung, Taiwan.