Dalian Best Flange Manufacture Co.,Ltd.   Dalian Best Flange Manufacture Co.,Ltd.
     
     
     
     
       
       
 
  Physical and Chemical Test
Encasement in manufacture  
Automatic cutting   Ultrasonic flaw Detector check   Packing  
         
Forging Steel plate cutting   painting  
   
    Size Chesk  
  Roughcast in storeroom  
   
     
Lather     Drilling