we are engaged in producing and researching the sodium alginate (manutex) for dyeing and printing factory and food grade,mannitol (BP/USP/CPconform ), iodine ( BP/USP/CP conform ) in the over past 30 years ! our product (sodium alginate,manutex, mannitol,potassium alginate,seaweed,) has been exported to Korea,Japan,Indonesia,Hongkong,Thailand,Singpore,India, Paistan,Germany,France,Spain,Belgium,Italy,U.s.a,Brazil,Colombia,Australia,and some countries of Africa . We have two plant to produce the sodium alginate(manutex),mannitol,iodine and the seaweed powder.One of is since 1972,another is built in the 2002,also there are a export and import company and a trade company (lianyungang huanyu seaweed industrial co.,ltd ) which mainy do the business in china for dyes and chemicals.especially sodium alginate(manutex). It's our pleasure of the cooperation with you for our products :sodium alginate, (manutex),alginate,potassium alginate , calcium alginate , mannitol, iodine, seaweed powder...... contact:karl-2000(at)hotmail(.)com