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 Hydrosulfide 70% flakes, Sodium Sulphide 60% Yellow And Red Flakes , Sodium Penta Sulphide , Sodium Hydrogen Sulphide Formula ,Sodium Sulfide Uses In Leather Industry . Our professional technical team will be wholeheartedly at your service. We sincerely welcome you to visit our website and company and send us your inquiry. The product will supply to all over the world, such as Europe, America, Australia,Birmingham , Hanover ,Anguilla , Naples .With well educated, innovative and energetic staff, we are responsible for all elements of research, design, manufacture, sale and distribution. By studying and developing new techniques, we are not only following but also leading fashion industry. We listen attentively to the feedback from our customers and provide instant replies. You will instantly feel our professional and attentive service.