2018/11/06

【chinatungsten】The advantages of tungsten alloy jewelry


Tungsten alloy jewelry is scratch resistant, and only diamond can scratch on it.
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【Chinatungsten】tungsten copper electrolytic process

Processing In the process of electrolyzation, use a certain proportion of NaCl, KCl, Na2WO4 and CuO4 mixed solution and graphite as el...