Hebei Qiansheng Biotechnology Co., Ltd
                            
                            Telephone13068769255 
                            Websitehttps://hbqsswkj.zhaosw.com/
                         
                        
                                
                            
                                Nanjing DSC bio-chem Co., LTD
                            
                            Telephone 19951952469
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1064325/0_EN.htm
                         
                        
                            
                                J & K SCIENTIFIC LTD.
                            
                            Telephone18210857532; 18210857532
                            Websitehttps://www.jkchemical.com
                         
                        
                            
                                Meryer (Shanghai) Chemical Technology Co., Ltd.
                            
                            Telephone021-61259138 18621169109
                            Websitehttp://www.x-labseek.com/
                         
                        
                            
                                3B Pharmachem (Wuhan) International Co.,Ltd.
                            
                            Telephone821-50328103-801 18930552037
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0_EN.htm
                         
                         
                            
                                Alfa Aesar
                            
                            Telephone400-6106006 
                            Websitehttp://chemicals.thermofisher.cn
                         
                        
                            
                                TCI (Shanghai) Development Co., Ltd.
                            
                            Telephone021-67121386 
                            Websitehttps://www.tcichemicals.com/CN/zh/
                         
                        
                            
                                Energy Chemical
                            
                            Telephone021-021-58432009 400-005-6266
                            Websitehttp://www.energy-chemical.com
                         
                        
                            
                                Shanghai Hanhong Scientific Co.,Ltd.
                            
                            Telephone021-54306202 13764082696
                            Websitehttps://www.hanhongsci.com
                         
                        
                            
                                Shandong Xiya Chemical Co., Ltd
                            
                            Telephone4009903999 13355009207
                            Websitehttp://www.xiyashiji.com
                         
                         
                            
                                Sichuan Kulinan Technology Co., Ltd
                            
                            Telephone400-1166-196 18981987031
                            Websitehttp://www.hx-r.com/
                         
                        
                            
                                Tianjin heowns Biochemical Technology Co., Ltd.
                            
                            Telephone400 638 7771 
                            Websitehttp://www.heowns.com
                         
                        
                            
                                Sinopharm Chemical Reagent Co,Ltd.
                            
                            Telephone86-21-63210123 
                            Websitehttp://www.reagent.com.cn
                         
                        
                            
                                Hunan Hui Bai Shi Biotechnology Co., Ltd.
                            
                            Telephone0731-85526065 13308475853
                            Websitehttp://www.hnhbsj.com/
                         
                        
                            
                                Maya High Purity Chemicals
                            
                            Telephone+86 (573) 82222445  (0)18006601000 452520369 
                            Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15221/0_EN.htm
                         
                         
                            
                                Wuhan Fortuna Chemical Co., Ltd
                            
                            Telephone027-59207852 13308628970
                            Websitehttp://www.fortunachem.cn
                         
                        
                            
                                Dalian Meilun Biotech Co., Ltd.
                            
                            Telephone0411-62910999 13889544652
                            Websitehttp://www.meilunbio.com/
                         
                        
                            
                                ShangHai YuanYe Biotechnology Co., Ltd.
                            
                            Telephone021-61312847 13636370518
                            Websitehttp://www.shyuanye.com