M.C.S. Steel Public Company Limited announced that Mr. Somyos Chiamchirungkorn has resigned from the Director of the company since July 25, 2017 and the board of director has appointed Mr. Pornchai Phisarnanukunkit, who is the senior vice president of company to be the director instead of Mr. Somyos Chiamchirungkorn since July 26, 2017.