J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                Alfa Aesar
                            
                            Telephone400-6106006 
                            Websitehttp://chemicals.thermofisher.cn
                         
                        
                            
                                Wuhan Chemwish Technology Co., Ltd
                            
                            Telephone86-027-67849912 
                            Websitehttp://www.chemwish.com
                         
                        
                            
                                Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
                            
                            Telephone+86-21-54098501 
                            Websitehttp://www.sinch.com.cn/
                         
                         
                            
                                Shanghai Jian Chao Chemical Technology Co., Ltd.
                            
                            Telephone18512615154 18017383231
                            Websitehttp://www.antaeus-e.com/
                         
                        
                            
                                Credit Asia Chemical Co., Ltd.
                            
                            Telephone+86 (21) 61124340 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16523/0_EN.htm
                         
                        
                            
                                Sigma-Aldrich
                            
                            Telephone021-61415566 800-8193336
                            Websitehttps://www.sigmaaldrich.cn
                         
                        
                            
                                Zhengzhou Guancheng Laboratory equipment Sales
                            
                            Telephone0371-88888888 272369594
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16848/0_EN.htm
                         
                        
                            
                                Shanghai Uchem Inc.
                            
                            Telephone 15618758386
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15300/0_EN.htm
                         
                         
                            
                                Henan CoreyChem Co., Ltd
                            
                            Telephone0371-86658258 
                            Websitehttp://www.coreychem.com
                         
                        
                            
                                Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                Amadis Chemical Company Limited
                            
                            Telephone571-89925085 
                            Websitehttp://www.amadischem.com
                         
                        
                            
                                MQ (shanghai) Pharmaceuticals Co., Ltd.
                            
                            Telephone 13761635123
                            Websitehttp://www.linyuepharm.com/
                         
                        
                            
                                Guangzhou Jhd Chemical Reagent Co., Ltd.
                            
                            Telephone020-84383047 
                            Websitehttp://www.jhd.com.cn
                         
                         
                            
                                Wuhan EEChem Technologies Co., Ltd
                            
                            Telephone0711-3617768 13308685235
                            Websitehttp://www.eechemistry.com
                         
                        
                            
                                Aikon International Limited
                            
                            Telephone025-58859352 18068836627
                            Websitehttp://www.aikonchem.com
                         
                        
                            
                                Shanghai Jizhi Biochemical Technology Co. Ltd.
                            
                            Telephone4009004166/18616739031 18616739031
                            Websitehttp://www.acmec-e.com/