So as to provide you with ease and enlarge our business, we even have inspectors in QC Crew and guarantee you our best company and solution for China Na2s, Sodium Potassium Hydroxide , Sodium Sulfhydrate , Sodium Penta Sulphide ,siarczek sodowy uwodniony . We're devoted to supply skilled purification technology and options for you personally! The product will supply to all over the world, such as Europe, America, Australia,Mombasa , Anguilla ,Detroit , Montpellier .With strong technical strength and advanced production equipment, and SMS people purposefully , professional, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.