Suzhou Adelaide Chemical Technology Co., Ltd.
                            
                            Telephone15995785122   
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30894/0_EN.htm
                         
                        
                            
                                Hebei Fanbo Pharmaceutical Technology Co., Ltd.
                            
                            Telephone0531-0531-88163906-805-805 15588346797
                            Websitehttps://www.fanbo-medical.com
                         
                        
                            
                                Henan Weitesi Chemical Technology Co. LTD
                            
                            Telephone0371-0371-55135753 18003832934
                            Websitehttps://www.chemicalbook.com/supplier/23629017/
                         
                        
                            
                                Shandong Renyi Biotechnology Co., Ltd
                            
                            Telephone1859-6138-997 13306222239
                            Website
                         
                        
                            
                                Hubei wei shi reagent group ltd., company
                            
                            Telephone027-59102966 18717199209
                            Websitehttps://www.4008081911.com