We hold strengthening and perfecting our items and repair. At the same time, we get the job done actively to do research and progress for ANTHRAQUINONE DISULFONIC ACID DISODIUM SALT, 38304-91-5, PBQ, 12-Dichloro-45-Dicyanobenzoquinone,5421-46-5. Sincerely look forward to serving you in the near future. You are sincerely welcome to visit our company to talk business face to face with each other and establish long-term co-operation with us! The product will supply to all over the world, such as Europe, America, Australia,United States, Toronto,Argentina, Oslo.We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.