Chinese advisers are believed to be working with Afghan Taliban groups who are now in combat with NATO forces, prompting concerns that China might become the conduit for shoulder-fired anti-aircraft missiles, improved communications and additional small arms to the fundamentalist Muslim fighters.
A British military official contends that Chinese specialists have been seen training Taliban fighters in the use of infrared-guided surface-to-air missiles. This is supported by a May 13, 2008, classified U.S. State Department document released by WikiLeaks telling U.S. officials to confront Chinese officials about missile proliferation.
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My Comment: If the Taliban are successful in getting a steady stream of anti-aircraft missiles, it will be game over for NATO forces in Afghanistan. The casualty rates would escalate, and supply missions will become a very risky adventure.
Fortunately, I doubt that China is willing to ship weapons to the Taliban. But .... China is a very big country, and from my own experience I do know that the central government in Beijing does not control everything that happens within its own borders .... weapon systems included.