Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for China CAS No.: 16721-80-5 and Industrial Grade NAHS, hidrogenossulfureto de sódio hidratado , Rugar 98% Min , Sodium Hydrogen Sulphide Liquid ,sodium sulphidic NA2S . We're self-assured to create wonderful achievements while in the potential. We've been hunting forward to becoming one of your most trustworthy suppliers. The product will supply to all over the world, such as Europe, America, Australia,Morocco , India ,Panama , Croatia .Our company sets up several departments, including production department, sales department, quality control department and sevice center,etc. only for accomplish the good-quality product to meet customer's demand, all of our products have been strictly inspected before shipment. We always think about the question on the side of the customers,because you win,we win!