Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                Tianjin Kailiqi Biotechnology Co., Ltd.
                            
                            Telephone 15076683720
                            Websitehttp://www.cw-bio.com
                         
                        
                            
                                Jinan Jiuli Biotechnology Co. , Ltd.
                            
                            Telephone 15865264761
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList89365/0_EN.htm
                         
                        
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-1647117 13681763483
                            Websitehttps://www.bidepharm.com/
                         
                        
                            
                                Xi'an Kaixin Biotechnology Co., Ltd
                            
                            Telephone029-68881181 13619217766
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList138470/0_EN.htm
                         
                         
                            
                                TargetMol Chemicals Inc.
                            
                            Telephone 4008200310
                            Websitehttps://www.targetmol.cn/
                         
                        
                            
                                Shanghai Aladdin Biochemical Technology Co.,Ltd.
                            
                            Telephone400-6206333 13167063860
                            Websitehttp://www.aladdin-e.com/
                         
                        
                            
                                Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd
                            
                            Telephone025-58851090 17714375163
                            Websitehttps://www.aikonchem.com/