Shandong Sungraf Carbons Co., Ltd was founded in 2008, the company has more than 10 years of production and export experience. Our company own a number of special technologies such as the production of outstanding conductivity and high purity expandable graphite. The company strictly implements the ISO9001 quality management system, strengthens production process control, improves quality management methods, has standard laboratories to ensure product verification, and fully meets the needs of domestic and international markets. Please let me know if you are interested in graphite, I will send you our company catalog. Im sure the products of our factory will satisfy you.