Tian Cheng Holdings Limited, an investment holding company, operates as a marine construction works subcontractor in Hong Kong and the People's Republic of China. It operates through Marine Construction Works, Other Civil Engineering Works, Vessel Chartering Services, and Health and Wellness Services segments. The Marine Construction Works segment undertakes reclamation, submarine pipeline, and sediment treatment works, as well as regulation and deposition of sand blanket works. The Other Civil Engineering Works segment includes foundation works, site formation works, and roads and drainage works.