Description: Hyaluronic acid(HA) is a straight chain macromolecular mucopolysaccharide composed Of repeat disaccharide units of glucuronic acid and N-acetylglucosamine. It widely consists in the extracellular space of human and animal tissue, vitreum, umbilical cord, skin joints synovia and cockscomb, etc. We are specialized in the hyaluronic acid filler in China. We can offer you perfect OEM service. I hope to have the opportunity to establish long term business relations with you.