Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Sodium sulfuret, sodium sulphide hydrated , Nitrocellulose , wodorosiaczek sodowy uwodniony ,HS CODE No.28301090 . Together with our efforts, our products have won the trust of customers and been very salable both here and abroad. The product will supply to all over the world, such as Europe, America, Australia,Melbourne , California ,Netherlands , America .we have 8 years experience of production and 5 years experience in trading with the customers all over the world. our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.