All belong to hyaluronic acid. Runbaiyan is made in China and imported from restylane. However, as a filling product for injection approved by the US Food and Drug Administration, Run Bai Yan has achieved good results. In some ways, it has surpassed restylane's advantages. Produced and put into use by Huaxi Freda Biomedical Co., Ltd. Only in regular plastic surgery hospitals. Held in Southwest Plastic Surgery Hospital.