The Yao disc from new disc manufacturer YikunSports (China) was PDGA Approved as of 11-1-2013.
"Yao is a very reliable midrange, straight flying path with solid fade. It is easy to control with good grip, and the cool stamp on Yao is created by fine artist according to Chinese ancient Classics. The Yao is ideal for both beginners and pros." - by YikunSports