J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Alfa Aesar
                            
                            Telephone400-6106006 
                            Websitehttp://chemicals.thermofisher.cn
                         
                        
                            
                                Energy Chemical
                            
                            Telephone021-021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                        
                            
                                Wuhan Chemwish Technology Co., Ltd
                            
                            Telephone86-027-67849912 
                            Websitehttp://www.chemwish.com
                         
                        
                            
                                Shanghai Worldyang Chemical Co.,Ltd.
                            
                            Telephone021-021-56795766 
                            Websitehttp://www.worldyachem.com
                         
                         
                            
                                Wuhan Chemwish Technology Co., Ltd
                            
                            Telephone027-67849912 
                            Websitehttp://www.chemwish.com
                         
                        
                            
                                Amadis Chemical Company Limited
                            
                            Telephone571-89925085 
                            Websitehttp://www.amadischem.com
                         
                        
                            
                                Yantai ShengKailun Chemical Technology Co., Ltd.
                            
                            Telephone 13356901049
                            Websitehttp://www.sklnchem.cn
                         
                        
                            
                                AAB-PHARMA LIMITED
                            
                            Telephone025-66800956 18800000000
                            Websitehttp://www.njdmchem.com/
                         
                        
                            
                                Aikon International Limited
                            
                            Telephone025-66061636 18013972705
                            Websitehttp://www.aikonchem.com
                         
                         
                            
                                Shanghai HongMin Pharmaceutical Co., Ltd.
                            
                            Telephone 13651987816
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30582/0_EN.htm
                         
                        
                            
                                Nanjing holy  chemical co., LTD
                            
                            Telephone19951936396 
                            Websitehttp://www.yilaichem.com/
                         
                        
                            
                                Shanghai Jizhi Biochemical Technology Co. Ltd.
                            
                            Telephone4009004166/18616739031 18616739031
                            Websitehttp://www.acmec-e.com/
                         
                        
                            
                                Shenzhen Polymeri Biochemical Technology Co., Ltd.
                            
                            Telephone+86-400-002-6226 +86-13028896684;
                            Websitehttps://www.rrkchem.com
                         
                        
                            
                                Wuhan Chemwish Technology Co., Ltd
                            
                            Telephone027-67849912 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList485773/0_EN.htm
                         
                         
                            
                                CONIER  CHEM AND PHARMA LIMITED
                            
                            Telephone +8618523575427
                            Websitehttp://www.conier.com/
                         
                        
                            
                                Changzhou Kechem Bio-Scientific Co., LTD.
                            
                            Telephone0519-68985668 13685222090
                            Websitehttp://www.kechem.cn/
                         
                        
                            
                                Nanjing Shizhou Biology Technology Co.,Ltd
                            
                            Telephone025-85560043 13675144456
                            Websitehttp://www.synzest.com