
HRDD is a joint venture invested by China Resources Machinery & Minmetals (Holdings) Co., Ltd., Hudong-Zhonghua Shipbuilding (Group) Co., Ltd.(H&Z), China Yatong Co., Ltd., and Shanghai Datong NGS Industries Co., Ltd., majoring in ship repairing and refitting all sorts of large domestic and foreign ships. The company was founded in January, 1994 and operated since November, 1995.