GENEVA, Feb. 24 -- PURESPHERE CO., LTD. (123-7, Dongsansaneopdanji-roEunjin-myeon, Nonsan-siChungcheongnam-do 33020), 주식회사 퓨어스피어 (충청남도논산시 은진면동산산업단지로 123-7), HD KOREA SHIPBUILDING & OFFSHORE ENGINEERING CO., LTD. (477, Bundangsuseo-roBundang-gu, Seongnam-siGyeonggi-do 13553), 에이치디한국조선해양 주식회사 (경기도성남시 분당구분당수서로 477), HD HYUNDAI HEAVY INDUSTRIES CO., LTD. (1000, Bange...