/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: alexanderemelue https://cdn.slidesharecdn.com/profile-photo-alexanderemelue-48x48.jpg?cb=1523456193 over 4 year experience in the installation, troubleshooting and maintenance of surface wellhead and Xmas tree valves with an outstanding performance records.