We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for China Water Glass, Barium Sulphate for Ink , Sodium Sulphide Flake 1849 , HS CODE 283010 ,Sodium sulphide paper . We have professional products knowledge and rich experience on manufacturing. We always believe your success is our business! The product will supply to all over the world, such as Europe, America, Australia,Czech Republic , Jeddah ,Belgium , Germany .Our product quality is one of the major concerns and has been produced to meet the customer's standards. Customer services and relationship is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.