Yongmao Holdings Limited, an investment holding company, designs, develops, manufactures, sells, rents, and services construction machineries, tower cranes, and related components and accessories. The company offers Topless STT, ST, Luffing STL/STF, and Derrick Q series tower cranes under the Yongmao brand. It also maintains, installs, erects, and dismantles tower cranes. The company serves construction sites, infrastructure projects, and shipbuilding industry; and construction equipment distributors and equipment rental companies. It operates in the People's Republic of China, Hong Kong, Macau, Europe, Singapore, other Asian countries, the Middle East, the United States, and internationally. The company was founded in 1992 and is based in Singapore. Yongmao Holdings Limited is a subsidiary of Sun & Tian Investment Pte. Ltd.