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 Sodium Sulphide Nonahydrate, polyacrylamide emulsion , Barium Sulphate Molecular Formula , sodium polysulfide ,hidrogenossulfureto de sódio hidratado . Always for the majority of business users and traders to provide best quality products and excellent service. Warmly welcome to join us, let's innovation together, to flying dream. The product will supply to all over the world, such as Europe, America, Australia,Australia , Japan ,Manila , Durban .Our company promises: reasonable prices, short production time and satisfactory after-sales service, we also welcome you to visit our factory at any time you want. Wish we have a pleasant and long terms business together!!!