When did Xiong apply for patent technology in bear bile powder?

202 1 year. Official website, Jilin Xiongwangfu Biotechnology Co., Ltd. inquired that Xiongwangfu bear bile powder improved the processing technology, changed the damage and pollution of traditional high-temperature drying and microwave drying technology to bear bile powder, and applied for a patent on 20021. Bear bile powder has the functions of clearing away heat, calming the liver and improving eyesight, and can be used to treat eye diseases, convulsion, sore throat and other symptoms caused by damp-heat accumulation in liver meridian.