As a young coach, I recall hearing this factoid. That at the Mexico City Olympic Games Dr. Yessis did a field test where the Olympic lifters had higher vertical jumps than Track and Field athletes.
Finally, some visual evidence:
Shi Zhiyong reacts to successfully clean and jerking 170 kg.
larger original – flickr
OK, maybe not this guy:
larger original – flickr
They are part of a huge collection of Chinese weight lifting photos posted by dehwang.
Weightlifting – Wikipedia
Gymnastics Coaching.com 