Our objective is to present premium quality products at aggressive prices, and top-notch services to buyers around the world. We have been ISO9001, CE, and GS certified and strictly adhere to their excellent specifications for China Na2s and Sodium Sulfate, Colorless To Light-Yellow Liquid , Sodium Bisulfide , Sodium Sulfhydrate ,Na2s 1849 . Our Enterprise Core Principle: The prestige 1st ;The quality guarantee ;The customer are supreme. The product will supply to all over the world, such as Europe, America, Australia,Bandung , Israel ,kazan , Brasilia .we are sincerely hope to establish one good long term business relationship with your esteemed company thought this opportunity, based on equal, mutual beneficial and win win business from now till the future.