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Are there any commonalities among people who are good at sales? Two commonalities of good sellers chosen by Sales Research Institute CEO Hwang Hyun-jin!! Can we all become sales kings if we only know these? A sales writer who writes scripts for companies to sell products well to consumers! Author of 'This is how good sellers sell'!! We will tell you the sales master strategies of Sales Research Institute CEO Hwang Hyun-jin!! #OndamCommunication #SalesStrategy #CEOHwangHyeonJin Application for OntoriTV appearance 👇👇👇 https://naver.me/GVWpYc0H Application for instructor recruitment 👇👇👇 https://naver.me/FbiUQY9g Corporate training total solution professional instructor video platform 👇👇👇 http://www.ondamin.com Detailed instructor profile 👇👇👇 https://www.ondamin.com/board/lecture Inquiries 070 4640 4560