Chitosan  
  Chitosan Normal Density 40Mesh, 80Mesh, 100Mesh, 120Mesh
  Chitosan High Denisty (0.6g/ml)
  Chitosan Fast Dissolving
  Chitosan Oligosaccharide Hydrochloride
  Chitosan Oligosaccharide Lactate
  Chitosan Squid Bone
  Chitosan Water-soluble (Low Molecular Weight:<3000,>6000)
  Carboxymethyl Chitosan