We insist over the principle of enhancement of 'High high quality, Efficiency, Sincerity and Down-to-earth working approach' to offer you with superb assistance of processing for China CAS No.: 16721-80-5, Caustic Soda Sodium Hydroxide , Precipitated Barium Sulphate Barium Sulphate Precipitated , Sodium sulfuret ,natriumhydrogensulfid hydratisiert . We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success! The product will supply to all over the world, such as Europe, America, Australia,Hyderabad , South Africa ,Slovakia , Buenos Aires .We have a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment.