they do have good technique, Lee is fast at the back, can really attack, while Chau is moderately fast at the net and often outgun Natsir. both have a nice fast push to the back which can caught an off-guard mix opponent. but they don't seem to work too well together, and both cannot handle an experienced pair like Ahmad/Natsir.
Sorry for distracting. Here is the Zhang Sheng I was referring to playing against LD in CBSL 2011. https://www.youtube.com/watch?v=QrhpXI0FgO0
Try kwun's link and select Jiangsu instead of Beijing, it works for me under Chrome. http://www.epctv.com/channels/CCTV-5-Online-Watch-1172.htm
This link seems to work better now though sometimes laggy http://www.indosports.tv/sports/cctv-5-live-streaming/