they're hoarding shit (from that article)---probably pathological or compulsive hoarding to boot
And that is not all, Chinese investors have also been on a commodity (other than oil) buying spree. The country has been buying gold for a long time, perhaps as a hedge against the falling US dollar.
Recently, when India bought the 200 metric tonnes of gold from the International Monetary Fund, it was one of the few occasions when it managed to beat the Chinese at such a purchase.
The Chinese are stockpiling aluminum, copper, nickel, tin, zinc, canola and soybeans. China has also bought iron ore and some metals for strategic reasons. The Asian giant is also buying sugar, coking coal, etcetera for a while now.
Nobody knows where the Chinese will stop. Cash-rich, hungry for growth, bursting with confidence, Chia is ready to take the best seat at the world's economic affairs table. Wonder who it will buy next.