Link to AP article on same story:Group says China's new postal law restricts market: Associated Press Business News: FDX - MSN Money

Not really sure of the meaning implied by this line in your story:"But foreign delivery companies with operations in China will be permitted to deliver express packages domestically, as well as express letters internationally, it said."

Perhaps express packages are OK, but letters aren't in their domestic market?
What defines foreign companies with operations in China?

The classic commie tactic of renegotiation after a contract has been signed?