Is China bluffing on metals?

Now we have a suggestion that China’s stockpiles might not be so high. The Outcrop by Robin Bromby

Is China bluffing on metals? Is China bluffing on metals? Is China bluffing on metals? Is China bluffing on metals? Is China bluffing on metals?

Why do we take Chinese figures so seriously?

For example, who believes China's official holdings are still sitting at 1948 tonnes, less that Italy's reserves?