/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: wenko https://cdn.slidesharecdn.com/profile-photo-wenko-48x48.jpg?cb=1522806489 20+ years of experience in sales, development and marketing of machines and components of and for the optical and laser industry. Focus on marketing of technical and complex products, http://www.spectaris.com