Shanghai alkynechem Co., Ltd.
                            
                            Telephone086-021-15821262312 15821262312
                            Websitehttp://www.alkynechem.com
                         
                        
                                
                            
                                Anhui Yongsheng Pharmaceutical Technology Co., Ltd
                            
                            Telephone18133075798 18017383231
                            Websitehttp://www.yongsheng-pharma.com
                         
                        
                            
                                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
                         
                         
                            
                                Energy Chemical
                            
                            Telephone021-021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                        
                            
                                Chemsky(shanghai)International Co.,Ltd.
                            
                            Telephone021-50135380 
                            Websitehttp://www.shchemsky.com
                         
                        
                            
                                Shanghai Youd  Chemical Technology Co.,  Ltd.
                            
                            Telephone021-37910092; 15821801668
                            Websitehttp://www.udchem.com
                         
                        
                            
                                Thermo Fisher Scientific
                            
                            Telephone800-810-5118 
                            Websitehttp://www.thermo.com.cn
                         
                        
                            
                                9ding chemical ( Shanghai) Limited
                            
                            Telephone4009209199 
                            Websitehttp://www.9dingchem.com
                         
                         
                            
                                Bide Pharmatech Ltd.
                            
                            Telephone400-164-7117 13681763483
                            Websitehttp://www.bidepharm.com
                         
                        
                            
                                Shanghai CanSpecsci Instrument Co., Ltd.
                            
                            Telephone400-6087598 15021221957
                            Websitehttps://www.canspec.cn/
                         
                        
                            
                                Mashilabs (Shanghai) Co.,Ltd.
                            
                            Telephone 19916721580
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16374/0_EN.htm
                         
                        
                            
                                Zhengzhou Guancheng Laboratory equipment Sales
                            
                            Telephone0371-88888888 272369594
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16848/0_EN.htm
                         
                        
                            
                                Giant chemicals
                            
                            Telephone028-85434334 18108076537
                            Websitehttp://www.gianthx.com
                         
                         
                            
                                Shanghai Send Pharmaceutical Technology Co., Ltd.
                            
                            Telephone021-58088081 Q3382968513
                            Websitehttp://www.shsendpharma.com
                         
                        
                            
                                Shanghai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847; 18021002903
                            Websitehttp://www.shyuanye.com
                         
                        
                            
                                LinkChem Technology Co., Ltd.
                            
                            Telephone021-58950110 13124863828
                            Websitehttp://www.linkchem.cn