Quality System
                    
                    
                - 
                                    
2017.10Passed OHSAS18001 certification of occupational health and safety management system
 - 
                                    
2017.10Passed OHSAS18001 certification of occupational health and safety management system
 - 
                                    
2013.01Pass CRCC certification of railway products
 - 
                                    
2012.06It was awarded the title of "Qingdao famous trademark" and "Shandong famous trademark"
 - 
                                            
2009.05Won the national "high tech enterprise" certificate
 - 
                                            
2010.07Awarded the title of "expert workstation" in Qingdao
 - 
                                            
2010.10Awarded the title of "quality credit brand" of China Rubber Industry Association
 - 
                                            
2011.12"Hilywill brand sealing ring" is recognized as "Shandong famous brand" products
 - 
                                            
2006.12Obtain ISO14001 environmental management system certification
 - 
                                            
2005.07Passed ISO9001 and TS16949 certification
 - 
                                            
2004.07Establishment of the company
 


