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 Purity Sodium Bichromate, High-Quality Iron Oxide , 99.7% Chromic Acid , Zinc Oxide ,Chromic Acid Flake . We have now designed a reputable track record among many shoppers. Quality&customer initially are normally our constant pursuit. We spare no attempts to produce greater solutions. Stay up for long-term cooperation and mutual positive aspects! The product will supply to all over the world, such as Europe, America, Australia,Yemen, Birmingham,Romania, Egypt.Our Company has qualified engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the items, Be sure to feel free to contact us.