The Main Bridge in this project is a unique type of bridge that requires high engineering technologies. IHI Infrastructure Systems Co., Ltd. (IIS) is in charge of the Superstructure, while Sumitomo Mitsui Construction Co., Ltd. (SMCC) is in charge of the Substructure. The two companies are global leaders in their respective industries.   


IHI Infrastructure Systems Co., Ltd (IIS)

IIS is a social infrastructure contractor with a long record of executing design, fabrication and construction works for long span bridges. It is a subsidiary of IHI Corporation, which manages various business units in the IHI Group.

The IHI Group has extensive technological know-how that is applied in the production of ships, aero-engines, turbo-chargers for automobiles, power station boilers, bridges and other facilities. The IHI Group therefore offers IIS an unprecedented technological and logistical foundation to conduct business.

The fabrication of the Nhat Tan Brigde was mainly performed at IHI Infrastructure Asia Co., Ltd. a subsidiary of IHI Corporation at Hai phong, Viet nam. This ensured that the fabrication was performed up to Japanese quality standards.



Izumit Bay Bridge in Turkey

Binh Bridge

 Binh Bridge in Viet nam


IHI Website :

IHI Infrastructure Systems Co., Ltd (IIS) Website : 


Sumitomo Mitsui Construction Co.,Ltd (SMCC)

Sumitomo Mitsui Construction Co., Ltd. (SMC)  uses  long-cultivated and proven technologies in areas including super skyscrapers, seismic control, pre-stressed concrete and subterranean construction to deliver quality products to its customers in Japan and Overseas.

In Vietnam, the company has completed various projects including the Bach Mai Bridge, Hanoi City Ring Road No.3 among others. 


Sumitomo Mitusi Construction Co., Ltd (SMCC) Website :