SK hynix,... the world's second-biggest memory chipmaker, plans to invest almost 107 billion U.S. dollars to build four semiconductor manufacturing plants in the city of Yongin, Gyeonggi-do Province, after 2022.<br />The announcement comes after a special purpose company in South Korea,... established to create semiconductor cluster sites,... submitted a letter of investment intent to Yongin City Government to build a site in the area.<br />Although the final decision needs government approval, SK hynix says...if Yongin is confirmed as a cluster site, it will build four factories there after 2022. <br />Analysts say the move is to maintain the South Korean chip giant's competitiveness in the field...amid growing competition from Chinese companies. <br />