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    Casting pores prevention  
      Casting pores prevention
      
      On the other hand, the surface layer and the backing layer should choose to use different sizes of silica, the surface layer of silica select S-830, S-1430 Sele……Detailed
      
			
			
      
  
  
      
    Sol precision casting  
      Sol precision casting
      
      Sol craft belonging to said Casting or Precision Casting is a cutting or no cutting of the casting process less foundry industry is a superior technology……Detailed
      
			
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