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 Hydrosulfide 70%, Potassium Hydroxide Corrosive , sodium sulphide hydrated , Sodium Sulphide ,Disodium Sulfurothioate . We have a big inventory to fulfill our customer's requires and needs. The product will supply to all over the world, such as Europe, America, Australia,Puerto Rico , The Swiss ,Sweden , Bulgaria .We also provide OEM service that caters to your specific needs and requirements. With a strong team of experienced engineers in hose design and development, we value every opportunity to provide best products for our customers.