Shanghai Vigor Biotechnology Co., Ltd.
                            
                            Telephone021-18017654 18017654809
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30730/0_EN.htm
                         
                        
                                
                            
                                ShangHai Book Chemical Co., Ltd.
                            
                            Telephone15001988657 15802146997
                            Websitehttp://www.bookchemicals.com
                         
                        
                            
                                J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                BeiJing Hwrk Chemicals Limted
                            
                            Telephone0757-86329057 18934348241
                            Websitehttp://www.hwrkchemical.com/
                         
                        
                            
                                Energy Chemical
                            
                            Telephone021-021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                         
                            
                                Capot Chemical Co., Ltd
                            
                            Telephone+86 (0) 571 85 58 67 18 
                            Websitehttp://www.capotchem.com/
                         
                        
                            
                                Accela ChemBio Co.,Ltd.
                            
                            Telephone021-50795510 4000665055
                            Websitehttp://www.shao-yuan.com/
                         
                        
                            
                                Shanghai Longsheng chemical Co.,Ltd.
                            
                            Telephone021-58099652-8005 13585536065
                            Websitehttp://www.shlschem.com
                         
                        
                            
                                Nanjing Chemlin Chemical Co., Ltd
                            
                            Telephone025-83697070 
                            Websitehttp://www.echemlin.cn
                         
                        
                            
                                China DongFan Chemical Co.,LTD
                            
                            Telephone86-0571-85151182 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList14819/0_EN.htm
                         
                         
                            
                                Syntechem Co.,Ltd
                            
                            Telephone 
                            Websitehttp://www.syntechem.com/
                         
                        
                            
                                Shanghai Aobo pharmaceutical Technology Co., Ltd
                            
                            Telephone86-21-51320499 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList4808/0_EN.htm
                         
                        
                            
                                China Langchem Inc.
                            
                            Telephone0086-21-58956006 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19141/0_EN.htm
                         
                        
                            
                                skychemical Co.Ltd
                            
                            Telephone021-20958197 20965099 
                            Websitehttp://www.skychemical.com
                         
                        
                            
                                Beijing Taiya Jie Technology Development Co., Ltd.
                            
                            Telephone021-33690831-8001 13552411790
                            Websitehttp://www.tyj-chem.com/
                         
                         
                            
                                Acorn PharmaTech Co., Ltd.
                            
                            Telephone025-58395930 
                            Websitehttp://www.acornpharma.com
                         
                        
                            
                                Shanghai Topbiochem Technology Co., Ltd
                            
                            Telephone+86-21-60341587 
                            Websitehttp://www.topbiochem.com
                         
                        
                            
                                Shanghai Jian Chao Chemical Technology Co., Ltd.
                            
                            Telephone18512615154 18017383231
                            Websitehttp://www.antaeus-e.com/