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Dungtin co., limited is the special refractory material supplier , it was located at liaoning province , supply silicon carbide , flake graphite , graphite petroleum coke , magnesite powder . since its inception we have consistently uphold: cumtomer first,service first , business philosophy, always uphold the integrity,development-oriented principle . the company has experienced more than 10 years in exporting business with high-quality good service . now we sale to latin america europe australia japan ,Korea . we sincerely hope to establish friendly business relations with customers from all over the world .