J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Zhengzhou Alfachem Co.,Ltd.
                            
                            Telephone0371-53778726 18003825608
                            Websitehttps://www.chemicalbook.com/Supplier/10838232/
                         
                        
                            
                                Shanghai Chaolan Chemical Technology Center
                            
                            Telephone021-QQ:65489617 15618227136
                            Websitehttp://www.atkchemical.com/
                         
                        
                            
                                Beijing Solarbio Science & Tecnology Co., Ltd.
                            
                            Telephone 17801761073
                            Websitehttp://www.solarbio.com
                         
                        
                            
                                Shenzhen SUNGENING Bio-Medical Co., Ltd.
                            
                            Telephone0755-28967200  13631290199
                            Websitehttp://www.sungening.com
                         
                         
                            
                                Shenzhen Polymeri Biochemical Technology Co., Ltd.
                            
                            Telephone+86-400-002-6226 +86-13028896684;
                            Websitehttps://www.rrkchem.com
                         
                        
                            
                                Henan Alfa Chemical Co., Ltd
                            
                            Telephone +8615838112936
                            Websitehttps://www.chemicalbook.com/manufacturer/henan-alfa-chemical-570/
                         
                        
                            
                                AFINE CHEMICALS LIMITED
                            
                            Telephone+86-0571-85134551 
                            Websitehttp://www.afinechem.com/index.html
                         
                        
                            
                                Jingmo (Xiamen) Biotechnology Co., Ltd
                            
                            Telephone13621943973; 13621943973
                            Websitehttp://www.jamxmpharmatech.com/
                         
                        
                            
                                Energy Chemical
                            
                            Telephone021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                         
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-1647117 13681763483
                            Websitehttps://www.bidepharm.com/
                         
                        
                            
                                TargetMol Chemicals Inc.
                            
                            Telephone 4008200310
                            Websitehttps://www.targetmol.cn/
                         
                        
                            
                                ShenZhen Trendseen  Biological Technology  Co.,Ltd.
                            
                            Telephone13417589054 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList312717/0_EN.htm
                         
                        
                            
                                Nanjing Tengyi Biotechnology Co., Ltd
                            
                            Telephone025-58851786 17714337195
                            Websitehttps://tybiochem.com/
                         
                        
                            
                                https://hanhongsci.com/
                            
                            Telephone021-54306202 18917919676
                            Websitehttps://www.hanhongsci.com/
                         
                         
                            
                                guoyungurui
                            
                            Telephone18162595016; 18162595016
                            Websitehttps://www.chemicalbook.com/supplier/25521782/
                         
                        
                            
                                Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd.
                            
                            Telephone025-66061636 18013972705
                            Websitehttps://www.aikonchem.com/
                         
                        
                            
                                Sangon Biotech (Shanghai) Co.,Ltd.
                            
                            Telephone400-821-026 
                            Websitehttp://www.sangon.com