Hangzhou Singclean Medical Products Co., Ltd., established in March 2003, which is a national high and new technology enterprise integrating the R&D, production and sales of medical biomaterials.We have 7 series (chitosan, medical sodium hyaluronate gels, cross-linked hyaluronic acid sodium gels, microporous polysaccharide, oxidized regenerated cellulose, basic materials of tissue engineering, in vitro diagnostic reagents).