All we do is always associated with our tenet Customer first, Trust first, devoting on the food packaging and environmental protection for Sodium Sulfide Flakes, Barium Sulphate for Ink , Sodium Nitroprusside , Anhydrous ,Sodium Hydrosulfide For Leather Unhairin . We are devoted to provide professional purification technology and solutions for you! The product will supply to all over the world, such as Europe, America, Australia,venezuela , French ,Mauritania , London .We have sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.