Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for SODIUM HYDROSULPHIDE 32%-42%, Drate hydroxide NaOH , Sodium Hydrosulfide Msds , Un1814 Potassium Hydroxide Solution ,Sodium Hydrosulfide Hydrate . Please send us your specifications and requirements, or feel free to contact us with any questions or inquiries that you may have. The product will supply to all over the world, such as Europe, America, Australia,Finland , South Korea ,Montpellier , Hongkong .We welcome you to visit our company & factory and our showroom displays various products that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to provide you with the best services. If you need more information, please do not hesitate to contact us via E-mail, fax or telephone.