Shanghai SynFarm Pharmaceutical Technology Co., Ltd.
                            
                            Telephone021-50793966 18917198199
                            Websitehttp://www.synfarm.com
                         
                        
                            
                                Shanghai YuLue Chemical Co., Ltd.
                            
                            Telephone021-60345187 13671753212
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16365/0_EN.htm
                         
                        
                            
                                Guangzhou Ciming Biological Technology Co., Ltd.
                            
                            Telephone020-38082199,29065168,38082986,29878298,29866629,4000192398 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16517/0_EN.htm
                         
                        
                            
                                Nanjing crow LuNing pharmaceutical technology co., LTD
                            
                            Telephone13382066392 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30681/0_EN.htm
                         
                        
                            
                                Shenzhen Polymeri Biochemical Technology Co., Ltd.
                            
                            Telephone+86-400-002-6226 +86-13028896684;
                            Websitehttps://www.rrkchem.com
                         
                         
                            
                                Hefei TNJ Chemical Industry Co.,Ltd.
                            
                            Telephone+86-0551-65418671 +8618949823763
                            Websitehttps://www.tnjchem.com
                         
                        
                            
                                Labnetwork lnc.
                            
                            Telephone+86-27-50766799 +8618062016861
                            Websitewww.labnetwork.com
                         
                        
                            
                                Hefei Hirisun Pharmatech Co., Ltd
                            
                            Telephone +8615056975894
                            Websitehttp://www.hirisunpharm.com/
                         
                        
                            
                                AFINE CHEMICALS LIMITED
                            
                            Telephone+86-0571-85134551 
                            Websitehttp://www.afinechem.com/index.html
                         
                        
                            
                                Guangzhou Dreampharm Biotechnology Co., Ltd.
                            
                            Telephone020-36607679 19925672674
                            Websitehttp://www.dmstandards.com/
                         
                         
                            
                                Mianyang Vandino Pharmaceutical Technology Co., Ltd.
                            
                            Telephone15861805752,15681201579 18727934995
                            Websitehttps://www.chemicalbook.com/supplier/11696235/
                         
                        
                            
                                Jinan blalong chemical co. LTD
                            
                            Telephone 2710913286@.com
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0_EN.htm
                         
                        
                            
                                Fuxin Pharmaceutical
                            
                            Telephone+86-021-021-50872116 +8613122107989
                            Websitehttp://www.fuxinpharm.com
                         
                        
                            
                                Zhengzhou Convergence Chemical Co. LTD
                            
                            Telephone0371-0371-53736046 13393710386
                            Websitehttps://www.chemicalbook.com/supplier/23627897/
                         
                        
                            
                                Hubei Xinyang Medical Technology Co., Ltd
                            
                            Telephone15347293736 15347293736
                            Websitehttps://yongstandards.com/
                         
                         
                            
                                Guangzhou Juntang Technology Co., Ltd
                            
                            Telephone020-36607679 13502246435
                            Websitehttp://www.dmstandards.com
                         
                        
                            
                                Suzhou Sanyi Polymer Chemical Technology Co., Ltd.
                            
                            Telephone86-18151108777 15262425018
                            Websitehttps://www.sanyi-chem.cn/
                         
                        
                            
                                Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd
                            
                            Telephone18502726233; 18502726233
                            Websitehttps://www.chemicalbook.com/supplier/25403897/