J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                Chengdu HappySyn Pharmaceutical Technology Co., Ltd.
                            
                            Telephone028-85114309 18982182443
                            Websitehttp://www.happysyn.com
                         
                        
                            
                                Thermo Fisher Scientific
                            
                            Telephone800-810-5118 
                            Websitehttp://www.thermo.com.cn
                         
                        
                            
                                9ding chemical ( Shanghai) Limited
                            
                            Telephone4009209199 
                            Websitehttp://www.9dingchem.com
                         
                         
                            
                                SPIRO PHARMA
                            
                            Telephone 
                            Websitehttp://www.spiropharma.com.cn
                         
                        
                            
                                Amadis Chemical Company Limited
                            
                            Telephone571-89925085 
                            Websitehttp://www.amadischem.com
                         
                        
                            
                                Aikon International Limited
                            
                            Telephone025-66113011 13155353615
                            Websitehttp://www.aikonchem.com
                         
                        
                            
                                Henan Alfachem Co.,Ltd.
                            
                            Telephone0371-55051623 18137891487
                            Websitehttps://www.chemicalbook.com/supplier/14555231/
                         
                        
                            
                                Career Henan Chemica Co
                            
                            Telephone+86-0371-86658258 +8613203830695
                            Websitehttps://www.coreychem.com/
                         
                         
                            
                                CONIER  CHEM AND PHARMA LIMITED
                            
                            Telephone +8618523575427
                            Websitehttp://www.conier.com/
                         
                        
                            
                                Changzhou Kechem Bio-Scientific Co., LTD.
                            
                            Telephone0519-68985668 13685222090
                            Websitehttp://www.kechem.cn/
                         
                        
                            
                                Shanghai Xuerong Chemical Technology Co., LTD
                            
                            Telephone 18201727566
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList717026/0_EN.htm
                         
                        
                            
                                Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
                            
                            Telephone021-51816796-820 13611835272
                            Websitehttp://www.sunwaypharm.cn/
                         
                        
                            
                                Shanghai Haohong Scientific Co., Ltd.
                            
                            Telephone400-8210725 4008210725
                            Websitehttps://www.leyan.com/
                         
                         
                            
                                Henan Dowon Chemical Technology Co., Ltd.
                            
                            Telephone 16696119288
                            Websitehttp://www.dowon.com.cn
                         
                        
                            
                                Nanjing Bic Biotechnology Co., Ltd
                            
                            Telephone025-58906079 17352406906
                            Websitehttps://www.bicbiotech.com/
                         
                        
                            
                                ZhengZhou Edward Biology Co.,Ltd
                            
                            Telephone13298105281 
                            Websitehttp://www.edwardbiology.cn