We mainly export chemical products, our main business is Sulfanilic Acid 99% for Optical Brighteners , we have been mainly engaging in manufacturing and selling sulfanilic acid for more than 20 years, we are the earliest and largest supplier in China, our present supply capacity is 20,000 mts per year,, and have been selling our product to many areas in the world. Product Description Prodcut Name: Sulfanilic acid 99% for Optical Brighteners Synonyms: 4-Aminobenzenesulfonic acid; 4-Anilinesulfonic acid Specification of Sulfanilic Acid 99% for Optical Brighteners Test item Standard specification Test result Appearance white crystal powder white crystal powder &…