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Topsen Technology is a world leading innovator and pioneer in graphene’s applications based in the United States. Since 2011, Our parent companies have developed several lines for massive production of graphene and its downstream products. Our application fields include anti-corrosion coatings, conductive coatings, composite materials, absorbing and filter materials, heat-conducting films, li-ion batteries and so on. We are the first in the world to produce and sale affordable graphene-related products and continuously making activated carbon