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China's aluminum exports surged in the month of May, as Iran war tightens supply

China's aluminum exports surged during a month in May, according to official data released on Tuesday. This was due to disruptions of shipment and production due to the Iran war, which kept global supplies tight.

Exports of China's unwrought aluminum and products rose 5.68% to 632,000 tons in May.

Customs data shows that in the first five month of 2026, exports of unwrought aluminum and products grew by?10.4%, to 2,69 million tonnes.

Exports in May were higher than April's already strong levels - the highest for at least a full year - and extended gains since the start of the war.

The conflict caused damage to two of the biggest aluminium plants in the Gulf region. This accounts for about 8% of global output. It also effectively closed the Strait of Hormuz.

According to the International Aluminium Institute, the Gulf region's primary aluminium production fell in April. It was the lowest in over a decade with 330,000 tons. It was 35% less than the same month of 2025.

IAI reported that global primary production fell 2.1% on an annual basis to 5.92 millions tons but that estimated Chinese 'production' rose by?1.5%, to 3.68million tons.

China's exports - which are included in a separate category of unwrought aluminium and aluminium products, but not stranded aluminium wire - increased in April. After the rally, traders have been trying to find a way to use this 'product, which is normally used for power transmission and distribution, in order to export aluminium.

(source: Reuters)