HET 
                                Total Management System 
                                    QMS 
                                    EMS 
                             | 
                            Quality Control 
                                IATF16949:2016 
                                ISO9001:2015 
                                 
                                
                             | 
                            Product
                                 
                                Quality Control
                             | 
                            Work  
                                Management | 
                            
                                 
                             | 
                        
                        
                            Delivery  
                                Inspection 
                                Management  | 
                             | 
                        
                        
                            Reliability
                                 
                                Quality Control
                             | 
                            Life testing | 
                              | 
                        
                        
                            Joint Section 
                                Inspection | 
                              | 
                        
                        
                            Quality 
                                Improvement | 
                            Precautions | 
                              | 
                        
                        
                            Error Proofing
                                 
                                Past Problems
                             | 
                        
                        
                            Prevention of 
                                Recurrence | 
                        
                        
                            Environment 
                                    Control 
                                ISO14001:2015 
                                 
                                
                             | 
                            Product  
                                Component 
                                Hazardous 
                                Substance
                                 
                                Control
                             | 
                            RoHS, ELV, 
                                Customer  
                                Demand  | 
                              | 
                        
                        
                            Reduce the Load
                                 
                                on the  
                                Environment  
                                 
                             | 
                            Energy Saving 
                                Water Saving  
                                  
                             | 
                              |