No.20 Lianyungang Road Qingdao, Shandong
Sungraf Materials Co., Ltd is located in Qingdao China Where has rich graphite mineral resources and focuses to become a professional reliable supplier of Graphite Carbon related products. In the system ,we strictly enforce ISO9001-2000 Quality Management ...
flake graphite powder, expandable graphite powder, micromized graphite powder, amorphous graphite, synthetic graphite, graphite electrode, graphite sheet