Who is the biggest producer of graphene in the world? AI Overview The leading producer of graphene is the Canadian company NanoXplore, which operates the world's largest fully automated graphene production facility, with an annual capacity of 4,000 metric tons. NanoXplore produces high-volume graphene powder and graphene-enhanced materials for industries such as transportation, packaging, electronics, and energy. Other significant graphene producers include the global leader in graphite mining and production, China, and companies like Directa Plus and First Graphene.
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