Founded in 1984, Lianyungang Donghai Silica Powder Co., Ltd. is located in Lianyungang City - the land of crystals and the quartz center of Asia. With the registered capital of RMB55 million, our company has four professional manufacturers for silica production. Our company is a high-tech enterprise of Chinese Torch Program, the base of national special engineering technique study centre of superfine silica powder, the high-tech enterprise of Jiangsu Province, the leading enterprise of Spark Program of quartz materials of Jiangsu Province, the leading enterprise of Jiangsu Donghai silica electron information garden plot and the enterprise with AAA Credit Standing Level of Jiangsu. Our Chaojing brand has been appraised as "Famous Brand of Jiangsu Province" and has won a high reputation from customers at home and abroad. Our company has attained ISO9001:2008 certification from DNV.