Located in Qingdao City of ShanDong Province, Qingdao Duratight is a professional and reliable manufacturer of graphite related products. We offer a complete range of graphite related product including carbon additive, calcined petroleum coke, graphite electrode, graphite rod/block, graphite sheet/roll, graphite rotor etc. All kinds of products are extensively applied in those industrial fields as steel, casting, metallurgy, machinery, automobile, aerospace industry etc. Duratight has integrated product development capability and a number of independent intellectual property rights. We invite experts to research and develop quality control systems. High quality is the principle of Duratight. Making customized products is our advantage. Cutting down the cost of our customers is our principle. Our products are exported to America, Europe, Japan, Korea, Middle East etc., enjoying good reputation among our customers abroad. For more information, please visit our website: ***** If you have interests in our products, please don’t hesitate to contact us. We will provide first-class service.