Mitsui Engineering & Shipbuilding Co., Ltd (MES) and UBI Tower Sole Member Limited (UBI Tower) established the joint venture company named MES-UBI Heavy Industries Company Limited (MES-UBI) which manufactures the pressure vessels installed in the refinery and petrochemical plants with obtaining the Vietnamese government approval dated at April 23, 2014, then MES-UBI started the operation from the beginning of August 2014. On August 1, 2014 in Hanoi, MES-UBI organized the opening ceremony to cerebrate the operation start, inviting the Japanese embassy in Vietnam, Ministry of Investment and Trading in Vietnam, Hai Duong People’s committee and more than 60 companies as the guests.