Nanjing Hang-Wu Waterway Engineering Co., Ltd. is a second-class general contracting enterprise for port and waterway construction. lt is mainly engaged in canal engineering, waterway maintenance engineering, port and ocean engineering, municipal public works, water conservancy and hydro power engineering, environmental protection engineering, urban and road lighting engineering, highway engineering, housing construction engineering, house demolition engineering, canal building engineering, and earth-rock work engineering construction; sales of building materials, metal materials, wood and its products, general machinery and accessories, electrical machinery and equipment; and canal engineering consulting. It can undertake coastal waterway projects of 50,000-ton class and inland waterway projects of 1,000-ton class and below, dredging projects of 6 million cubic meters and below or land reclamation projects by hydraulic filing, reef blasting and reef clearing projects of 40.000 cubic meters and below, as well as the construction of corresponding surveying, canal mark and canalization projects, underwater obstacle clearing, excavation, and silt removal projects with a single-item contract value not exceeding 5 times the enterprise's registered capital. lt can undertake the construction of waterway maintenance projects at all levels and major overhauls of ship locks.