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    Company name and change notice
    
                
    
                                            Column：Company news
                                        Time：2020-08-19
                                                                            
    
                                
    Since May 26, 2020, as Laiwu City of Shandong Province is merged into Jinan City of Shandong Province, the steel city area has become the steel city area of Jinan City. The contact information of....