Company Name : OPUS.57 / Representative : Choi jung Hee / Business establishment : 19th 3floor, Seongneung-ro 153road, Gangnam-gu, Seoul

Business license number : 710-42-00451 / Telecommunic Sales Reprt No. 2016-Junggu-Seoul-0532 / Customer Center : 070-8824-5140

Chief of Personal Information Management : Lee Choong-Man e-mail address : choongman@rayetog.com