Changzhou Qianai Biotechnology Co., Ltd
                            
                            Telephone051915240519135 13961152745
                            Website
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                Alfa Aesar
                            
                            Telephone400-6106006 
                            Websitehttp://chemicals.thermofisher.cn
                         
                        
                            
                                Energy Chemical
                            
                            Telephone021-021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                        
                            
                                Beijing Taiya Jie Technology Development Co., Ltd.
                            
                            Telephone021-33690831-8001 13552411790
                            Websitehttp://www.tyj-chem.com/
                         
                         
                            
                                Sci General Material & Chemical Ltd
                            
                            Telephone021-58388037;21-58388037 13472507714
                            Websitehttp://www.sci-gm.com
                         
                        
                            
                                Shanghai Run-Biotech Co., Ltd.
                            
                            Telephone021-57171705 13817537615
                            Websitehttp://www.run-biotech.com
                         
                        
                            
                                Amatek Scientific Co. Ltd.
                            
                            Telephone0512-56316828 4008675858
                            Websitehttp://www.amateksci.com
                         
                        
                            
                                Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                Amadis Chemical Company Limited
                            
                            Telephone571-89925085 
                            Websitehttp://www.amadischem.com
                         
                         
                            
                                Guangdong wengjiang Chemical Reagent Co., Ltd.
                            
                            Telephone0751-2886750 13927877953
                            Websitehttp://www.wj-chem.com
                         
                        
                            
                                Shanghai Pingguo Pharmaceutical Co., Ltd.
                            
                            Telephone021-20432229 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19971/0_EN.htm
                         
                        
                            
                                Shandong Ono Chemical Co., Ltd.
                            
                            Telephone0539-6362799 20) 
                            Websitehttp://www.onochem.com
                         
                        
                            
                                Aikon International Limited
                            
                            Telephone025-58859352 18068836627
                            Websitehttp://www.aikonchem.com
                         
                        
                            
                                Shanghai Haohong Pharmaceutical Co., Ltd.
                            
                            Telephone400-8210725 400821072
                            Websitehttp://www.leyan.com
                         
                         
                            
                                ANHUI WITOP BIOTECH CO., LTD
                            
                            Telephone +8615255079626
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList418627/0_EN.htm
                         
                        
                            
                                sgtlifesciences pvt ltd
                            
                            Telephone +8617013299288
                            Websitehttps://www.chemicalbook.com/manufacturer/sgtlifesciences-pvt-591/
                         
                        
                            
                                Career Henan Chemica Co
                            
                            Telephone+86-0371-86658258 +8613203830695
                            Websitehttps://www.coreychem.com/