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R&D-> production-> QC house-> double examination before shipment-> traceability for each product shipped.

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Contact Person: MsShifen Yuan
 
                                                
                    
                    
                    
                     
                                                
                    
                    
                    
                     
                                                
                    
                    
                    
                     
                                                
                    
                    
                    
                    