J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Chemsky(shanghai)International Co.,Ltd.
                            
                            Telephone021-50135380 
                            Websitehttp://www.shchemsky.com
                         
                        
                            
                                BioBioPha Co., Ltd.
                            
                            Telephone0871-65217109 13211707573;
                            Websitehttp://www.biobiopha.com
                         
                        
                            
                                S.Z. PhyStandard Bio-Tech. Co., Ltd.
                            
                            Telephone0755-83725681-603 
                            Websitehttp://www.phystandard.com.cn
                         
                        
                            
                                Guangzhou Isun Pharmaceutical Co., Ltd
                            
                            Telephone020-39119399 18927568969
                            Websitehttp://www.isunpharm.com
                         
                         
                            
                                Shanghai Micro-Mega Industry Co., Ltd.
                            
                            Telephone021-34628682 18918069061
                            Websitehttp://www.micro-megaindustry.com
                         
                        
                            
                                Shanghai  Kewel  Chemical  Co.,  Ltd.
                            
                            Telephone021-64609169 18901607656
                            Websitehttp://www.kewelchem.com/
                         
                        
                            
                                Shanghai HuanChuan Industry Co.,Ltd.
                            
                            Telephone021-61478794 
                            Websitehttp://www.hcshhai.com
                         
                        
                            
                                Nanjing XiZe Biotechnology CO., Ltd.
                            
                            Telephone025-66023220 0086-15250997978
                            Websitehttp://www.njxizebio.com
                         
                        
                            
                                Lianyungang TengFa Biological Technology Co. Ltd
                            
                            Telephone0518-85475186 18705131893
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16947/0_EN.htm
                         
                         
                            
                                Jinan Putubio Tech Co., Ltd.
                            
                            Telephone+86 (531) 8099-2215 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16923/0_EN.htm
                         
                        
                            
                                Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                Raw material medicin reagent co.,Ltd
                            
                            Telephone 
                            Websitehttp://www.njromanme.com
                         
                        
                            
                                Amadis Chemical Company Limited
                            
                            Telephone571-89925085 
                            Websitehttp://www.amadischem.com
                         
                        
                            
                                Shanghai CR Corporation Limited
                            
                            Telephone13062833949; 4006653949 4006653949
                            Websitehttp://www.crcorporation.cn
                         
                         
                            
                                Shenzhen SUNGENING Bio-Medical Co., Ltd.
                            
                            Telephone0755-28967200  13631290199
                            Websitehttp://www.sungening.com
                         
                        
                            
                                Aikon International Limited
                            
                            Telephone025-66113011 13155353615
                            Websitehttp://www.aikonchem.com
                         
                        
                            
                                Wuhan FengyaoTonghui Chemical Products Co., Ltd.
                            
                            Telephone027-87466105 15377573527
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30440/0_EN.htm