To be able to give you benefit and enlarge our business, we also have inspectors in QC Team and assure you our greatest service and products for Sodium Sulphide Flake 1849, Colorless To Light-Yellow Liquid , Sodium Sulfhydrate , strength of NAHS fluid ,siarczek sodowy uwodniony . We have now four leading solutions. Our products are most effective sold not only during the Chinese market, but also welcomed during the international industry. The product will supply to all over the world, such as Europe, America, Australia,European , Philippines ,Toronto , Dubai .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.