Adamas Reagent, Ltd.
                            
                            Telephone400-6009262 16621234537
                            Websitehttp://www.tansoole.com
                         
                        
                            
                                ChemStrong Scientific Co.,Ltd
                            
                            Telephone0755-0755-66853366 13670046396
                            Websitehttp://www.chem-strong.com
                         
                        
                            
                                Shijiazhuang yaoBo Pharmaceutical Co., Ltd.
                            
                            Telephone 15633056635
                            Websitehttp://www.yaoboyiyao.com/
                         
                        
                            
                                Jinan blalong chemical co. LTD
                            
                            Telephone 2710913286@.com
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0_EN.htm
                         
                        
                            
                                QUALITY CONTROL SOLUTIONS LTD.
                            
                            Telephone+86-0755-66853366 +86-13670046396
                            Websitehttps://www.qcsrm.com
                         
                         
                            
                                Huaihua Yuanyanda Biotechnology Co., Ltd
                            
                            Telephone 18711085600
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1118979/0_EN.htm
                         
                        
                            
                                Shanghai YuZn Pharm. Technology Co.,Ltd.
                            
                            Telephone15921286451; 15921286451
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0_EN.htm
                         
                        
                            
                                Shanghai Zerui Biotechnology Co., Ltd.
                            
                            Telephone021-54580889 18321124657
                            Websitehttp://www.zr-pharmaceutical.com
                         
                        
                            
                                guoyungurui
                            
                            Telephone18162595016; 18162595016
                            Websitehttps://www.chemicalbook.com/supplier/25521782/
                         
                        
                            
                                Nantong Hanfang Biotechnology Co. , Ltd.
                            
                            Telephonehanfangpharma@126.com; 18616537568
                            Websitehttps://hanfangpharma@126.com
                         
                         
                            
                                Hubei Moco Chemical Co., Ltd.
                            
                            Telephone18627753421; 18627756402
                            Websitehttp://www.molcoo.com/
                         
                        
                            
                                Huaihua Yuanyanda Biotechnology Co., Ltd
                            
                            Telephone 18229999901
                            Website
                         
                        
                            
                                Shanghai Titan Scientific Co.,Ltd
                            
                            Telephone 16621234537
                            Websitehttps://www.titansci.com/index.action