J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                Alfa Aesar
                            
                            Telephone400-6106006 
                            Websitehttp://chemicals.thermofisher.cn
                         
                        
                            
                                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
                         
                         
                            
                                Suzhou Highfine Biotech Co., Ltd
                            
                            Telephone0512-68311833 13771732418
                            Websitehttps://www.highfine.com
                         
                        
                            
                                Shanghai Longsheng chemical Co.,Ltd.
                            
                            Telephone021-58099652-8005 13585536065
                            Websitehttp://www.shlschem.com
                         
                        
                            
                                Shanghai Hanhong Scientific Co.,Ltd.
                            
                            Telephone021-54306202 13764082696
                            Websitehttps://www.hanhongsci.com
                         
                        
                            
                                ZhengZhou HuaWen Chemical Co.Ltd
                            
                            Telephone0370-2785118 17550508557
                            Websitehttp://www.hnhwchem.com
                         
                        
                            
                                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/
                         
                        
                            
                                Chengdu HuaXia Chemical Reagent Co. Ltd
                            
                            Telephone400-1166-196 13458535857
                            Websitehttp://www.hx-r.com
                         
                        
                            
                                Shanghai Xingui Biotechnology Co., Ltd.
                            
                            Telephone 15121041756
                            Websitehttp://www.ansitan.com
                         
                        
                            
                                Chengdu RunZeBenTu Chemical Co., Ltd
                            
                            Telephone028-88469284 18000562381
                            Websitehttp://www.rzbtsj.com
                         
                         
                            
                                Codow Chemical Co.,Ltd.
                            
                            Telephone 18620099427
                            Websitehttp://www.howeipharm.com
                         
                        
                            
                                Shanghai Xilong Biochemical Technology Co., Ltd.
                            
                            Telephone021-52907766-8042 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19329/0_EN.htm
                         
                        
                            
                                Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com