Hebei Shuangyan Import and Export Trading Co., Ltd. is located in the capital of Hebei Province - Shijiazhuang City, is a collection of workers, trade integration, import and export enterprises, specializing in zinc oxide,silica,white carbon black,Stearic acid and other fine chemical products import and export business. Relying on the support of nearly 100 affiliated factories, we have a clear price advantage and quality control system to quickly open the international market, a steady increase in business.