There's an article in today's The Star (06/06/2014). It's said to be the world's longest zipline!! Sabahbah tu!!
http://www.thestar.com.my/News/Nation/2014/06/06/Longest-zip-line-is-now-in-Sabah-Visitors-can-enjoy-thrill-of-flying-from-Pulau-Gaya-to-Pulau-Sa/