... molecular weight [1,100,000-2,100,000] dalton.Our company use the raw material by fermentation, taking modern ... purify Sodium Hyaluronate Acid, after certain further processing, generate our final product with sterile, have no pyrogen, no allergic ... or organs extraction. This product, due to its macromolecule characteristics and good viscoelasticity, is used to improve joint function, such as ...