JW & Y Pharmlab Co., Ltd.
                            
                            Telephone021-64340559 13651849907;
                            Websitehttp://www.jwypharmlab.com.cn
                         
                        
                                
                            
                                Shanghai  Synchem  Technology  Co.,  Ltd.
                            
                            Telephone021-64502386 18017349250
                            Websitehttp://www.syn-chem.cn
                         
                        
                                
                            
                                Hangzhou Copiore Chemical Co., Ltd.
                            
                            Telephone0571-56501939;0571-56076030 13757145729
                            Websitehttp://www.copiore.om
                         
                        
                            
                                J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Energy Chemical
                            
                            Telephone021-021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                         
                            
                                Beijing Ouhe Technology Co., Ltd
                            
                            Telephone010-010-82967028 13522913783
                            Websitehttp://www.ouhechem.com/
                         
                        
                            
                                JinYan Chemicals(ShangHai) Co.,Ltd.
                            
                            Telephone13817811078 
                            Websitehttp://www.jingyan-chemical.com/
                         
                        
                            
                                Jia Xing Isenchem Co.,Ltd
                            
                            Telephone0573-85285100 18627885956
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList14265/0_EN.htm
                         
                        
                            
                                Accela ChemBio Co.,Ltd.
                            
                            Telephone021-50795510 4000665055
                            Websitehttp://www.shao-yuan.com/
                         
                        
                            
                                Nanjing Chemlin Chemical Co., Ltd
                            
                            Telephone025-83697070 
                            Websitehttp://www.echemlin.cn
                         
                         
                            
                                Shanghai Hanhong Scientific Co.,Ltd.
                            
                            Telephone021-54306202 13764082696
                            Websitehttps://www.hanhongsci.com
                         
                        
                            
                                Hunan Hui Bai Shi Biotechnology Co., Ltd.
                            
                            Telephone0731-85526065 13308475853
                            Websitehttp://www.hnhbsj.com/
                         
                        
                            
                                Dtchem Laboratories,(Gan Su)Co.,Ltd.
                            
                            Telephone 18993966060
                            Websitehttp://www.techbiochem.com
                         
                        
                            
                                Nanjing JinruiJiuAn Biotechnology Co., Ltd.
                            
                            Telephone025-58196018   800028039  
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15703/0_EN.htm
                         
                        
                            
                                Shijiazhuang suchen  Chemical Technology Co. LTD
                            
                            Telephone186-33933494 18032288352
                            Websitehttp://www.lichem.com/
                         
                         
                            
                                Shanghai Topbiochem Technology Co., Ltd
                            
                            Telephone021-58170097 
                            Websitehttp://www.topbiochem.com
                         
                        
                            
                                Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
                            
                            Telephone025-66113011 17798518460
                            Websitehttp://www.aikonchem.com/
                         
                        
                            
                                Shanghai Yolne Chemical Co., Ltd.
                            
                            Telephone021-62960152 
                            Websitehttp://www.yolne.com