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        Forge ahead, looking forward to the future
        
                            and make further progress.
                        
        
                        
                        
        
                            
        
                                
        
                                    
        
                                        wuxi hongshneg heat exchanger manufacturing Corporation Limited was established
                                    
        
                                    2000.12
                                    
                                    
                                
        
                                
        
                                    
        
                                        Changed name to be Wuxi Hongsheng heat exchanger manufacturing incorporation
                                    
        
                                    2012.08
                                    
                                    
                                
        
                                
        
                                    
        
                                        The foundation of the new plant in 5# bridge industry park
                                    
        
                                     2015.03
                                    
                                    
                                
        
                                
        
                                    
        
                                        Approval of IPO by China Securities Regulatory Commission
                                    
        
                                    2016.03
                                    
                                    
                                
        
                                
        
                                    
        
                                        Hongsheng was listed at Shanghai Stock Exchange
                                    
        
                                    2016.08
                                    
                                    
                                
        
                                
        
                                    
        
                                        Acquisition of Guanyun heat exchanger Co., Ltd
                                    
        
                                    2016.12
                                    
                                    
                                
        
                                
        
                                    
        
                                       Set up Hanzhong hongsheng-zhonghong new energy Co., Ltd
                                    
        
                                    2017.08