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      • Longyao County Xiangyuan Auto Parts Co., Ltd.!
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      Production process and raw materials
      
			
      TIME：2020.02.02
      
			
      
				Casting is a conventional production process of brake drum blank; the main raw materials required are pig iron, scrap and return iron. In order to improve the casting performance, some alloys, such as Cu, Cr, etc., will be added at the same time.