die cast zinc_cqs precision die casting inc

In the process of processing the processing materials of stainless steel precision castings, it is necessary to remove impurities such as dirt and oil. The reheating material of the product must effectively spray off its sand and oxide scale, and then it can be put into the furnace for smelting after being cleaned. After the bath is completely melted, low-carbon ferromanganese and low-carbon ferrosilicon are added as required for alloying and pre-deoxidation.

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