ai'an Dadao Chemical import &export Co., Ltd. is specializing in providing our customers with inorganic chemicals raw materials, such as caustic soda,titanium dioxide,lithopone,soda ash,carbon black,iron oxide With advanced management and persisting development, up to now, our market has covered three quarters of countries all over the world, such as the Middle East, Asia, Southeast Asia, Africa, and America. In order to improve pre-sales and after-sales service, our company has cooperated with a number of research institutes to offer our customers technical support and comprehensive solutions......