Being supported by an highly developed and specialist IT team, we could give technical support on pre-sales & after-sales service for China Polyacrylamide Flocculant, sodium hydrosulphide hydrated , Chemical Formula Sodium Sulfide , sulfureto de sódio hidratado ,Sodium Hydrogen Sulphide Liquid . If you are interested in any products, please feel free to contact us for further information or please send us email directly, we will reply you within 24 hours and the best quotation will be provided. The product will supply to all over the world, such as Europe, America, Australia,Grenada , Jamaica ,El Salvador , Milan .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.