Tianjin Derchemist Science & Technology Co., Ltd.
                            
                            Telephone22-58627059 13920586291
                            Websitehttp://www.derchemist.com
                         
                        
                            
                                DebyeTec.com Inc.
                            
                            Telephone18086626237 15327221536;
                            Websitehttps://www.debyetec.com
                         
                        
                            
                                ShangHai Angti Biotechnology Co., Ltd.
                            
                            Telephone 13764913901
                            Websitehttp://www.angtibio.com
                         
                        
                            
                                Aikon International Limited
                            
                            Telephone025-66061636 18013972705
                            Websitehttp://www.aikonchem.com
                         
                        
                            
                                Shanghai wencai New Material Technology Co., Ltd.
                            
                            Telephone 15721586846
                            Websitehttp://wencai-nm.com/
                         
                         
                            
                                Dayang Chem (Hangzhou) Co.,Ltd.
                            
                            Telephone+86-0571-88938639 +8617705817739
                            Websitehttps://www.dycnchem.com/
                         
                        
                            
                                Changzhou Yinghao Technology Development Co., Ltd
                            
                            Telephone 15151934985
                            Websitehttp://www.yingsapharm.com/
                         
                        
                            
                                Shanghai Kaiwei Chemical Technology Co., Ltd.
                            
                            Telephone021-58461859 15821823057
                            Websitehttp://www.aivichem.com
                         
                        
                            
                                Zhengzhou Convergence Chemical Co. LTD
                            
                            Telephone0371-0371-53736046 13393710386
                            Websitehttps://www.chemicalbook.com/supplier/23627897/
                         
                        
                            
                                Energy Chemical
                            
                            Telephone021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                         
                            
                                Hefei Mokai Pharmaceutical Technology Co., Ltd
                            
                            Telephone 18130062233
                            Websitehttp://www.yxjchem.com/
                         
                        
                            
                                Hubei Kele Fine Chemical Co., Ltd
                            
                            Telephone027-59101668 19945030958
                            Websitehttp://www.kerle.cn
                         
                        
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-1647117 13681763483
                            Websitehttps://www.bidepharm.com/
                         
                        
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-6005915 
                            Websitehttps://www.picasso-e.com/
                         
                        
                            
                                Shanghai Haohong Scientific Co., Ltd.
                            
                            Telephone400-8210725 4008210725
                            Websitehttps://www.leyan.com/
                         
                         
                            
                                Beijing Solarbio Science & Tecnology Co., Ltd.
                            
                            Telephone010-50973130 17801761073
                            Websitehttps://www.solarbio.com/
                         
                        
                            
                                Tianjin Rongshen Chemical Co., Ltd
                            
                            Telephone18317763565; 18317763565
                            Websitehttps://www.chemicalbook.com/supplier/25873679
                         
                        
                            
                                Guangdong Wengjiang Chemical Reagent Co.,Ltd.
                            
                            Telephone0751-2815983 13927872582
                            Websitehttp://www.wj-chem.com/