Jiaxing Zhejia Biotechnology Co., LTD
                            
                            Telephone0573-85609002 18367600069;
                            Websitehttp://www.jxzj.cc/
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                Alfa Aesar
                            
                            Telephone400-6106006 
                            Websitehttp://chemicals.thermofisher.cn
                         
                        
                            
                                Beijing HwrkChemical Technology Co., Ltd
                            
                            Telephone18515581800 18501085097
                            Websitehttp://www.hwrkchemical.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/
                         
                        
                            
                                Sinopharm Chemical Reagent Co,Ltd.
                            
                            Telephone86-21-63210123 
                            Websitehttp://www.reagent.com.cn
                         
                        
                            
                                Maya High Purity Chemicals
                            
                            Telephone+86 (573) 82222445  (0)18006601000 452520369 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15221/0_EN.htm
                         
                        
                            
                                Spectrum Chemical Manufacturing Corp.
                            
                            Telephone021-021-021-67601398-809-809-809 15221380277
                            Websitehttps://www.spectrumchemical.com/OA_HTML/index.jsp?minisite=10020&respid=22372&language=US
                         
                        
                            
                                Thermo Fisher Scientific
                            
                            Telephone800-810-5118 
                            Websitehttp://www.thermo.com.cn
                         
                         
                            
                                Beijing innoChem Science & Technology Co.,Ltd.
                            
                            Telephone400-810-7969  010-59572699 
                            Websitehttp://www.inno-chem.com.cn
                         
                        
                            
                                Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
                            
                            Telephone025-66113011 17798518460
                            Websitehttp://www.aikonchem.com/
                         
                        
                            
                                9ding chemical ( Shanghai) Limited
                            
                            Telephone4009209199 
                            Websitehttp://www.9dingchem.com
                         
                        
                            
                                Nanjing Dulai Biotechnology Co., Ltd.
                            
                            Telephone025-846993838003-8003 18013301590
                            Websitehttp://www.njduly.com
                         
                        
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-164-7117 13681763483
                            Websitehttp://www.bidepharm.com
                         
                         
                            
                                Shanghai Macklin Biochemical Co.,Ltd.
                            
                            Telephone 15221275939
                            Websitehttp://www.macklin.cn
                         
                        
                            
                                Chizhou Kailong Import and Export Trade Co., Ltd.
                            
                            Telephone 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16778/0_EN.htm
                         
                        
                            
                                Struchem Co., Ltd.
                            
                            Telephone0512-63009836 18994340901
                            Websitehttp://www.beidapharma.com