Panaishen (Henan) Pharmaceutical Science and Technology Co. , Ltd.
                            
                            Telephone0371-65325800 13700860222
                            Websitehttp://www.pannacean.com/
                         
                        
                            
                                Shanghai Hanhong Scientific Co.,Ltd.
                            
                            Telephone021-54306202 13764082696
                            Websitehttps://www.hanhongsci.com
                         
                        
                            
                                Shandong Xiya Chemical Co., Ltd
                            
                            Telephone4009903999 13355009207
                            Websitehttp://www.xiyashiji.com
                         
                        
                            
                                T&W GROUP
                            
                            Telephone021-61551611 13296011611
                            Websitehttp://www.trustwe.com/
                         
                        
                            
                                Zhengzhou GranLen pharmaceutical Technology Co., Ltd.
                            
                            Telephone0371-85513397 
                            Websitehttp://www.granlen.com
                         
                         
                            
                                Beijing Qinling Mountains Pharmaceutical Co., Ltd.
                            
                            Telephone010-61241352 18901327973
                            Websitehttp://www.qlmed.com/
                         
                        
                            
                                Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
                            
                            Telephone025-66028182 18626450290
                            Websitehttp://www.aikonchem.com
                         
                        
                            
                                Lanzhou Angeli Biochemical Technology Co., Ltd.
                            
                            Telephone0931-8235634 13321316780
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19331/0_EN.htm
                         
                        
                            
                                Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                Zhengzhou Granlen Sciences, ltd.
                            
                            Telephone0371-85513397 +86-18610099868
                            Websitehttp://www.granlen.com
                         
                         
                            
                                Shanghai Kaiwei Chemical Technology Co., Ltd.
                            
                            Telephone021-58461859 15821823057
                            Websitehttp://www.aivichem.com
                         
                        
                            
                                Block Chemical Technology (Shanghai) Co., Ltd.
                            
                            Telephone021-20432219 13918097649
                            Websitehttp://www.acblock-lab.com
                         
                        
                            
                                SHANGHAI T&W PHARMACEUTICAL CO., LTD.
                            
                            Telephone+86-021-61551413 +8618813727289
                            Websitehttp://www.trustwe.com/
                         
                        
                            
                                Block Chemical Technology (Shanghai) Co., Ltd.
                            
                            Telephone021-20432219 13918097649
                            Websitehttps://www.acblock-lab.com
                         
                        
                            
                                Beijing Jin Ming Biotechnology Co., Ltd.
                            
                            Telephone010-60605840 15801484223;
                            Websitehttp://www.jm-bio.com/
                         
                         
                            
                                Beijing Stronger Science Co., Ltd.
                            
                            Telephone0531-88924771 15614660963
                            Websitehttps://www.nuoxiansheng.com/
                         
                        
                            
                                Shanghai Boer Chemical Reagent Co., LTD
                            
                            Telephone 19102157732
                            Websitehttp://www.boerzg.com/
                         
                        
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-1647117 13681763483
                            Websitehttps://www.bidepharm.com/