/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: yvonnezhang7 https://cdn.slidesharecdn.com/profile-photo-yvonnezhang7-48x48.jpg?cb=1597372657 Specialties: Derivatives in: Metals; Energy (Oil & Coal); Carbon Emissions & Agri. Language: English, Chinese, basic Korean