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Five metals that China has banned from export

China announced on Tuesday export controls targeting five metals that are used in defence, clean energy, and other industries. This comes just minutes after the U.S. President Donald Trump imposed an additional 10% tariff on Chinese products.

What you should know about these metals

TUNGSTEN

Tungsten, an ultra-hard material, is only outdone by diamonds in terms of strength. It is used to produce artillery shells and armour plating, as well as cutting tools.

About 60% of the U.S. production is used to make tungsten carbide. This highly durable material is widely used in construction, metalworking and oil and gas drilling.

China is the world's largest producer and exporter of tungsten, and it produced just under 80% of the global supply by 2023.

According to Project Blue, a UK-based consultancy, China provides 30% of the ex China market, mainly in the form powders used for tooling.

Vietnam, Russia and South Korea are also producers.

According to the U.S. Geological Survey, tungsten hasn't been commercially mined in the United States for at least five years.

China has restricted the production of eight types and methods of tungsten-based products.

INDIUM

Indium, via an indium tin dioxide refined product, is used to make phone screens and television displays. In addition, a separate indium-based product is used in the fibre-optics technology.

Indium demand has increased due to the expansion of 5G cellular networks.

According to the USGS, China, like tungsten is the world's largest producer. It accounts for 70% of global production. In September 2024, about a quarter (25%) of U.S. imports of indium came from China.

Project Blue reports that Japan and South Korea are also major Chinese buyers.

China's new restrictions on indium products and technology are aimed at three specific products.

BISMUTH

Bismuth can be found in alloys, medicines, metalurgical additives and atomic research.

USGS reports that the United States stopped producing primary refined bismuth back in 1997. It is now heavily dependent on imports.

USGS data also revealed that China produced more than 80% of the 13,000 tons bismuth consumed worldwide last year.

South Korea and Laos also produce a lot of tee.

China banned bismuth, and other compounds containing bismuth.

TELLURIUM

Tellurium is a common by-product of copper refinement and used in metallurgy. It's also found in solar panels, memory chip, and other products.

According to USGS, China will produce about three-quarters of the refined tellurium produced in the world by 2024.

According to the USGS, the copper telluride is produced in two refineries within the United States, but it is shipped overseas to be further processed. Tellurium is imported for most products that use it.

China has restricted the export of tellurium and other compounds that contain tellurium.

MOLYBDENUM

Molybdenum mainly is used to harden and strengthen steel alloys to make them more resistant against heat and corrosion. Molybdenum is also used as a catalyst, in petroleum, in lubricants and in pigments.

According to USGS, China will account for 40% of the global production in 2024 compared with 12% for America.

The new restrictions are only applicable to certain molybdenum compounds used in the manufacture of missile components. Customs data shows that China exported 287 tons (about half) of the powder to Japan last year.

(source: Reuters)