How many patents does Freda Bio have on hyaluronic acid?

Freda has obtained more than 130 patents, and the conversion rate of patented technological achievements is over 90%. Technical cooperation has been reached with Shandong Medical Science Research Institute, Shanghai Universities of Applied Sciences Oriental Beauty Valley Research Institute, Shanghai Jiaotong University, Jiangxi University of Traditional Chinese Medicine, Shanghai Fudan University, Shandong University, Qilu University of Technology, Shanghai Spice Graduate School and many other institutions and institutions. Unify the leading application level of hyaluronic acid skin care products in China, and the results have reached the international similar research level, filling the domestic gap.