sodium alginate for printing and dyeing,high quality and reasonable ... The annual production scale for sodium alginate was 1000 tons, for mannitol was 500 ton and for iodine was 30 tons. ... with the raw material of seaweed. The main products include Sodium Alginate, Alginate, PGA, natural extracted Mannitol, Iodine, ... districts in Asia, Europe, America and Africa. sodium alginate for printing and dyeing