/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: Chreachansokheng https://cdn.slidesharecdn.com/profile-photo-Chreachansokheng-48x48.jpg?cb=1523494808 Design and installation of Electrical mechanical, plumbing, Fire Fighting, CCTV, Fire Alarm, PA system