/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: chiakitai https://cdn.slidesharecdn.com/profile-photo-chiakitai-48x48.jpg?cb=1559642429 In addition to the professional support engineer, help our sales through a whole presales phase. I was engaged in the technical presales of user interface software for mobile phone, and got the first business in Japan for that supplier.