Shanghai RenYue Chemical Technology Co., Ltd.
                            
                            Telephone021-62219190; 18321139117
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList17164/0_EN.htm
                         
                        
                            
                                Wuhan Chemwish Technology Co., Ltd
                            
                            Telephone86-027-67849912 
                            Websitehttp://www.chemwish.com
                         
                        
                            
                                JinYan Chemicals(ShangHai) Co.,Ltd.
                            
                            Telephone13817811078 
                            Websitehttp://www.jingyan-chemical.com/
                         
                        
                            
                                Jia Xing Isenchem Co.,Ltd
                            
                            Telephone0573-85285100 18627885956
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList14265/0_EN.htm
                         
                        
                            
                                Tetranov Biopharm
                            
                            Telephone 13526569071
                            Websitehttp://www.leadmedpharm.com/index.html
                         
                         
                            
                                Accela ChemBio Co.,Ltd.
                            
                            Telephone021-50795510 4000665055
                            Websitehttp://www.shao-yuan.com/
                         
                        
                            
                                SpringPharma Tech Co.,Ltd
                            
                            Telephone+86-25-68710855, +86-25-68710897 
                            Websitehttp://www.springpharma.net
                         
                        
                            
                                Shanghai Xiannuo Biotechnology Co., Ltd.
                            
                            Telephone021-50718719 13918719472
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15633/0_EN.htm
                         
                        
                            
                                Hangzhou Sage Chemical Co., Ltd.
                            
                            Telephone+86057186818502 13588463833
                            Websitehttp://www.sagechem.com/
                         
                        
                            
                                Shanghai Topbiochem Technology Co., Ltd
                            
                            Telephone021-58170097 
                            Websitehttp://www.topbiochem.com
                         
                         
                            
                                Nanjing Norris-Pharm Technology Co., Ltd
                            
                            Telephone 18652989687
                            Website
                         
                        
                            
                                Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
                            
                            Telephone025-66113011 17798518460
                            Websitehttp://www.aikonchem.com/
                         
                        
                            
                                Shanghai Keepontech Co.,Ltd
                            
                            Telephone021-54849683 13601642561
                            Websitehttp://www.keepontech.com
                         
                        
                            
                                SuZhou ShiYa Biopharmaceuticals, Inc.
                            
                            Telephone86(512)5235 8471     17715136450 
                            Websitehttp://www.shiyabiopharm.com
                         
                        
                            
                                Cantotech Chemicals, Ltd.
                            
                            Telephone86-0755-86635001 
                            Websitehttp://www.cantotech.com
                         
                         
                            
                                Shanghai Yolne Chemical Co., Ltd.
                            
                            Telephone021-62960152 
                            Websitehttp://www.yolne.com
                         
                        
                            
                                Zhengzhou TRIZ Pharmaceutical Technology Co., Ltd.
                            
                            Telephone 19943855286
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16347/0_EN.htm
                         
                        
                            
                                ShangHai AmK Pharmaceutical Technology Co., Ltd.
                            
                            Telephone 18019252918
                            Websitehttp://www.amkchem.com