| No. | 
                    Patent Name | 
                    Announcement/Announcement Number | 
                    Announcement/Announcement Date  | 
                
                
                        
                            | 1 | 
                            The invention relates to a preparation method of 3-isocyanate propyl trialkoxy silane | 
                            CN109400640B | 
                            2021-02-23 | 
                        
                    
                        
                            | 2 | 
                            The invention relates to a combined preparation method of trimethyl-monoxysilane-hexamethyldisilazane | 
                            CN109232633B | 
                            2020-12-25 | 
                        
                    
                        
                            | 3 | 
                            The invention relates to an improved device for pickling resin in si69 production | 
                            CN212068766U | 
                            2020-12-04 | 
                        
                    
                        
                            | 4 | 
                            The utility model relates to a recycling device for methanol used as solvent in chemical production | 
                            CN211677661U | 
                            2020-10-16 | 
                        
                    
                        
                            | 5 | 
                            The utility model relates to an waste gas recovery device used in a chemical enterprise | 
                            CN211676993U | 
                            2020-10-16 | 
                        
                    
                        
                            | 6 | 
                            The utility model relates to a trimethoxy-hydrogen-silane filling and loose tail gas treatment device | 
                            CN211328819U | 
                            2020-08-25 | 
                        
                    
                        
                            | 7 | 
                            The utility model relates to a hot water recycling device with pressure | 
                            CN211329324U | 
                            2020-08-25 | 
                        
                    
                        
                            | 8 | 
                            The invention relates to a raw material dosing device for γ-chloropropyl trichlorosilane synthesis | 
                            CN211329361U | 
                            2020-08-25 | 
                        
                    
                        
                            | 9 | 
                            The utility model relates to a device for cleaning a tubular condenser | 
                            CN209605655U | 
                            2019-11-08 | 
                        
                    
                        
                            | 10 | 
                            A novel gas-solid dust removal device | 
                            CN211328620U | 
                            2019-11-08 | 
                        
                    
                        
                            | 11 | 
                            A device for absorbing low solubility ammonia | 
                            CN209392990U | 
                            2019-09-17 | 
                        
                    
                        
                            | 12 | 
                            The invention relates to an intake device for combustion reaction of chlorine gas and hydrogen gas | 
                            CN209263025U | 
                            2019-08-16 |