Sigma-Aldrich
                            
                            Telephone021-61415566 800-8193336
                            Websitehttps://www.sigmaaldrich.cn
                         
                        
                            
                                Nanjing Leon Biological Technology Co., Ltd.
                            
                            Telephone 17705183659
                            Websitehttp://www.njleonbiotech.com
                         
                        
                            
                                Nanjing Peptide Biotech Ltd.
                            
                            Telephone025-58361106-805 15951641583
                            Websitehttp://www.njpeptide.com
                         
                        
                            
                                Hangzhou Peptidego Biotech Co.,Ltd.
                            
                            Telephone0571-87213919 
                            Websitehttp://peptidego.com
                         
                        
                            
                                Shanghai Yaji Biological Technology Co., Ltd.
                            
                            Telephone021-34661275 15301693058
                            Websitehttp://www.yajimall.com/
                         
                         
                            
                                Hangzhou Sinoda Pharmaceutical Technology Co. LTD
                            
                            Telephone0571-87213919 17306812703
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1355681/0_EN.htm
                         
                        
                            
                                Shanghai Huzhen Industrial Co., LTD
                            
                            Telephone021-60345367 13916550749
                            Websitehttps://www.shzbio.net/
                         
                        
                            
                                BioVendor R D
                            
                            Telephone420-549124185 
                            Websitehttp://www.biovendor.com
                         
                        
                            
                                Merck KGaA
                            
                            Telephone21-20338288 
                            Websitehttp://www.sigmaaldrich.cn
                         
                        
                            
                                Wanlei Life Sciences (Shenyang) Co Ltd
                            
                            Telephone400-6020407 
                            Websitehttp://www.wanleibio.cn
                         
                         
                            
                                Beijing Biosynthesis Biotechnology Co Ltd
                            
                            Telephone400-9019800 
                            Websitehttp://www.biosschina.com
                         
                        
                            
                                Shanghai Yubo Biotechnology Co., Ltd
                            
                            Telephone021-60514606 18321282235
                            Websitehttps://www.shybsw.net/
                         
                        
                            
                                LEON (NANJING) BIOTECHNOLOGY CO., LTD.
                            
                            Telephone +8615051830413
                            Websitehttp://www.njleonbiotech.com
                         
                        
                            
                                Shenzhen 10:30 Trading Co., Ltd.
                            
                            Telephone18665911837 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList799524/0_EN.htm
                         
                        
                            
                                Guangzhou Meijun Biotechnology Co., Ltd.
                            
                            Telephone18664742264 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList895834/0_EN.htm