J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                future industrial shanghai co., ltd
                            
                            Telephone400-0066400 13621662912
                            Websitehttp://www.jonln.com
                         
                        
                            
                                Alfa Aesar
                            
                            Telephone400-6106006 
                            Websitehttp://chemicals.thermofisher.cn
                         
                        
                            
                                TCI (Shanghai) Development Co., Ltd.
                            
                            Telephone021-67121386 
                            Websitehttps://www.tcichemicals.com/CN/zh/
                         
                         
                            
                                Beijing Ouhe Technology Co., Ltd
                            
                            Telephone010-010-82967028 13522913783
                            Websitehttp://www.ouhechem.com/
                         
                        
                            
                                Shanghai Longsheng chemical Co.,Ltd.
                            
                            Telephone021-58099652-8005 13585536065
                            Websitehttp://www.shlschem.com
                         
                        
                            
                                Shanghai Harvest Chemical Industrial Co., Ltd.
                            
                            Telephone021-31038972,31038973 17321035817
                            Websitehttp://www.harvest-chem.com/
                         
                        
                            
                                Shanghai Hanhong Scientific Co.,Ltd.
                            
                            Telephone021-54306202 13764082696
                            Websitehttps://www.hanhongsci.com
                         
                        
                            
                                XiaoGan ShenYuan ChemPharm co,ltd
                            
                            Telephone15527621225; 15527768850
                            Websitehttp://www.farchem.com/
                         
                         
                            
                                Shandong Xiya Chemical Co., Ltd
                            
                            Telephone4009903999 13355009207
                            Websitehttp://www.xiyashiji.com
                         
                        
                            
                                Syntechem Co.,Ltd
                            
                            Telephone 
                            Websitehttp://www.syntechem.com/
                         
                        
                            
                                Sichuan Kulinan Technology Co., Ltd
                            
                            Telephone400-1166-196 18981987031
                            Websitehttp://www.hx-r.com/
                         
                        
                            
                                China Langchem Inc.
                            
                            Telephone0086-21-58956006 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19141/0_EN.htm
                         
                        
                            
                                Tianjin heowns Biochemical Technology Co., Ltd.
                            
                            Telephone400 638 7771 
                            Websitehttp://www.heowns.com
                         
                         
                            
                                Maya High Purity Chemicals
                            
                            Telephone+86 (573) 82222445  (0)18006601000 452520369 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15221/0_EN.htm
                         
                        
                            
                                ShangHai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847 13636370518
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                Chengdu Ai Keda Chemical Technology Co., Ltd.
                            
                            Telephone4008-755-333 18080918076
                            Websitehttp://www.aikeshiji.com