Sungraf is located in Qingdao China Where has rich graphite mineral resources and focuses to become a professional and reliable supplier of Graphite and Carbon related products.In the system ,we strictly enforce the ISO9001-2000 Quality Management System. We remain a major supplier of Flake graphite,Expandable Graphite ,Amorphous Graphite,Synthetic graphite ,related graphite and carbon product and a variety of other raw materials. All kinds of products are extensivelyc applied in those industria...