No matter new buyer or old purchaser, We believe in long expression and trusted relationship for Sodium Sulphide, China Na2s 52% , Permanent White Sulphate , Caustic Soda Flakes/Solid/Pearl ,Industrial Grade Sodium Hydrosulfide . Welcome to visit our company and factory. Please feel free to get in touch with us if you need any further assistance. The product will supply to all over the world, such as Europe, America, Australia,Ghana , kazan ,Tunisia , Houston .The quality of our products is equal to OEM's quality, because our core parts are the same with OEM supplier. The above products have passed professional certification, and we not only can produce OEM-standard products but we also accept Customized Products order.