Chinese Aluminium exports represent 15% to 16% of the country's total production and 20% to 22% of production outside China.

The development is likely to curtail China's aluminium exports, thereby tightening global supply and driving up prices, ICICI Securities said

Nalco, Hindalco, Vedanta shares rose up to 9 percent on November 18 as China last week decided to reduce or cancel export tax rebates for select products made of aluminium and copper. China’s exports large amounts of aluminium as semi-finished product ...

China’s decision to cancel this tax rebate, which has long supported its export-driven aluminum industry, sparked a sharp rally in aluminum prices on the London Metal Exchange on Friday. The move is expected to curb the excessive supply of Chinese aluminum abroad.