J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                Wuhan Chemwish Technology Co., Ltd
                            
                            Telephone86-027-67849912 
                            Websitehttp://www.chemwish.com
                         
                        
                            
                                Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
                            
                            Telephone+86-21-54098501 
                            Websitehttp://www.sinch.com.cn/
                         
                        
                            
                                Adamas Reagent, Ltd.
                            
                            Telephone400-6009262 16621234537
                            Websitehttp://www.tansoole.com
                         
                         
                            
                                Shanghai civi chemical technology co.,Ltd
                            
                            Telephone86-21-34053660 
                            Websitehttp://www.labgogo.com
                         
                        
                            
                                Thermo Fisher Scientific
                            
                            Telephone800-810-5118 
                            Websitehttp://www.thermo.com.cn
                         
                        
                            
                                9ding chemical ( Shanghai) Limited
                            
                            Telephone4009209199 
                            Websitehttp://www.9dingchem.com
                         
                        
                            
                                Amatek Scientific Co. Ltd.
                            
                            Telephone0512-56316828 4008675858
                            Websitehttp://www.amateksci.com
                         
                        
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-164-7117 13681763483
                            Websitehttp://www.bidepharm.com
                         
                         
                            
                                ShangHai AmK Pharmaceutical Technology Co., Ltd.
                            
                            Telephone 18019252918
                            Websitehttp://www.amkchem.com
                         
                        
                            
                                Nanjing XiZe Biotechnology CO., Ltd.
                            
                            Telephone025-66023220 0086-15250997978
                            Websitehttp://www.njxizebio.com
                         
                        
                            
                                Nanjing Huang Tai Pharmaceutical Technology Co. Ltd.
                            
                            Telephone025-58803135 18551845925
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16967/0_EN.htm
                         
                        
                            
                                Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                Changzhou Hopschain Chemical Co.,Ltd.
                            
                            Telephone0519-85528066 13775048983
                            Websitehttp://www.hopschem.com/
                         
                         
                            
                                Amadis Chemical Company Limited
                            
                            Telephone571-89925085 
                            Websitehttp://www.amadischem.com
                         
                        
                            
                                Shanghai Anmike Chemical Co. Ltd.
                            
                            Telephone 18019252918
                            Websitehttp://www.amkchem.com
                         
                        
                            
                                Aikon International Limited
                            
                            Telephone025-58859352 18068836627
                            Websitehttp://www.aikonchem.com