Quality Control
          
             
 
	- ISO9001 Quality: In the whole process of product production in strict accordance with ISO9001 Quality assurance system requirements.
- ROHS Standards: To ensure product quality excellent and stable. All company products comply with RoHS environmental standards.
 
         
        
        
        
          Company Profile
          
            
              SHENZHEN YIANGUANGXUE CO.,LTD            
          
                                                
                    
                      Contact Person: MrLiu Harry