J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                TCI (Shanghai) Development Co., Ltd.
                            
                            Telephone021-67121386 
                            Websitehttps://www.tcichemicals.com/CN/zh/
                         
                        
                            
                                Energy Chemical
                            
                            Telephone021-021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                        
                            
                                Adamas Reagent, Ltd.
                            
                            Telephone400-6009262 16621234537
                            Websitehttp://www.tansoole.com
                         
                         
                            
                                shanghai Rainbow MediTech.Co.Ltd.
                            
                            Telephone021-64968085,64968086-5815,5812 13472757003
                            Websitehttp://www.rainbowpharma.cn
                         
                        
                            
                                Thermo Fisher Scientific
                            
                            Telephone800-810-5118 
                            Websitehttp://www.thermo.com.cn
                         
                        
                            
                                Beijing innoChem Science & Technology Co.,Ltd.
                            
                            Telephone400-810-7969  010-59572699 
                            Websitehttp://www.inno-chem.com.cn
                         
                        
                            
                                Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
                            
                            Telephone025-66113011 17798518460
                            Websitehttp://www.aikonchem.com/
                         
                        
                            
                                9ding chemical ( Shanghai) Limited
                            
                            Telephone4009209199 
                            Websitehttp://www.9dingchem.com
                         
                         
                            
                                Shanghai Aladdin Bio-Chem Technology Co.,LTD
                            
                            Telephone400-6206333 13167063860
                            Websitehttp://www.aladdin-e.com/
                         
                        
                            
                                Guangzhou Isun Pharmaceutical Co., Ltd
                            
                            Telephone020-39119399 18927568969
                            Websitehttp://www.isunpharm.com
                         
                        
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-164-7117 13681763483
                            Websitehttp://www.bidepharm.com
                         
                        
                            
                                Shanghai Xingui Biotechnology Co., Ltd.
                            
                            Telephone 15121041756
                            Websitehttp://www.ansitan.com
                         
                        
                            
                                Shanghai Kahn Pharmaceutical Co., Ltd.
                            
                            Telephone021-34979681; 17701870669
                            Websitehttp://www.kahn-pharm.com
                         
                         
                            
                                Chengdu HuaNa Chemicals Co., Ltd.
                            
                            Telephone028-86612776; 13699069380
                            Websitehttps://www.chemicalbook.com/supplier/10130892/
                         
                        
                            
                                Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                Chengdu Dianchun Technology Co., Ltd
                            
                            Telephone400-1166-196 15982826727
                            Websitehttp://www.hx-r.com