Shanghai Hanhong Scientific Co.,Ltd.
                            
                            Telephone021-54306202 13764082696
                            Websitehttps://www.hanhongsci.com
                         
                        
                            
                                Amatek Scientific Co. Ltd.
                            
                            Telephone0512-56316828 4008675858
                            Websitehttp://www.amateksci.com
                         
                        
                            
                                Shanghai GL Peptide Ltd.
                            
                            Telephone+86-21-61263340; 17609490614 13764994101
                            Websitehttps://www.chemicalbook.com/supplier/10480342/
                         
                        
                            
                                Wuxi Asia Peptide Biotechnology Limited Company
                            
                            Telephone0510-83583050 13771062561
                            Websitehttp://www.peptide-search.com
                         
                        
                            
                                Aikon International Limited
                            
                            Telephone025-66113011 13155353615
                            Websitehttp://www.aikonchem.com
                         
                         
                            
                                3A Chemicals
                            
                            Telephone400-668-9898 
                            Websitehttp://www.3achem.com
                         
                        
                            
                                Kanghua (Shanghai) New Drug Development Co., Ltd.
                            
                            Telephone021-61263370 18901917034
                            Websitehttp://www.kanghuash.com/
                         
                        
                            
                                Shanghai Jifeng Biotechnology Co., Ltd.
                            
                            Telephone021-61263377 15023907684
                            Websitehttps://www.chemicalbook.com/supplier/14988787/
                         
                        
                            
                                GL Biochem (Shanghai) Ltd.
                            
                            Telephone+86-021-61263370 +86-18901917034
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList212835/0_EN.htm
                         
                        
                            
                                Nextpeptide Inc
                            
                            Telephone+86-0571-81612335 +8613336028439
                            Websitehttp://www.nextpeptide.com/
                         
                         
                            
                                GL Biochem(Binhai) Ltd.
                            
                            Telephone+86-021-61263370 +8615301650015
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList415547/0_EN.htm
                         
                        
                            
                                Binhai gill polypeptide co. LTD
                            
                            Telephone021-61263389 13524856427
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList326362/0_EN.htm
                         
                        
                            
                                Shanghai Galedo Biotechnology Co., Ltd.
                            
                            Telephone021-61732478 19946252459
                            Websitehttp://www.galedo-bio.com/
                         
                        
                            
                                Shanghai Anhua Biotechnology Co., Ltd.
                            
                            Telephone021-61263375 18168859245
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1408850/0_EN.htm
                         
                        
                            
                                Wuxi maimo topp biotechnology co., LTD
                            
                            Telephone15061806929 15061806929
                            Websitehttp://www.mimotopes.com.cn/
                         
                         
                            
                                Jiangsu Shengkang Meixiang Technology Co., Ltd.
                            
                            Telephone 18217475093
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList109656/0_EN.htm
                         
                        
                            
                                Gill polypeptide biopharmaceutical (dalian) co., LTD
                            
                            Telephone021-61263455 13167021076
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList295114/0_EN.htm
                         
                        
                            
                                Advanced chemblocks inc
                            
                            Telephone650-6922368 
                            Websitehttps://www.achemblock.com