Quality Control
          
            Our products pass various tests and are products that are safe to consume.
           
         
        
                
          Certifications
          
                        
              
                ![Hefei Zhongtong Polishing Machine Co.,Ltd Certifications]() 
              
              
                
                  Standard:
                  ISO9001
                
                
                  Number:
                  00107Q18526R2M
                
                                
                  Issue Date:
                  2018-03-02
                
                                                
                  Expiry Date:
                  2021-03-01
                
                                
                  Scope/Range:
                  design and manufacture
                
                
                  Issued By:
                  CQC
                
               
             
                       
         
        
        
          Company Profile
          
            
              Hefei Zhongtong Polishing Machine Co.,Ltd