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            HEAT-TREATMENT WORKSHOP
            
  
            
    
    
            
    
  
            

            


            
  
            
    
    
            
      
              
        
            • Contact us
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            • Add：Taohuatu Town Shuangta District Chaoyang City
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            • Tel：+86-421-5703588    
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            • Fax：0421-5703728
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            • E-mail：sales@dyhjcn.com
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            Copyright：Chao Yang Duo Yuan Alloy Casting Co.,Ltd 　　ICP filing number：遼ICP備2022008576號-1
            

            

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