The Hong Kong offshoot of Hainan Airines operates regular scheduled services to OKA with widebpdy aircraft.  Cathy use Dragonair's A320s on the same route.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/33472264302/">Hong Kong Airlines A330-200 B-LNE at OKA</a>