according to official sources of the vietnamese government, on the afternoon of 4 march, vietnamese government deputy prime minister chen liuguang met with cui chou-hu, general manager of the rok's samsung (vietnam) company。cui, who said that samsung will increase its investment in vietnam by $1 billion a year, disclosed during the meeting that samsung increased its investment in vietnam by $1.2 billion last year, bringing its total investment in vietnam to $22.4 billion。