yuguang gold and lead group limited liability company-凯发k8国际

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lead industry
zinc industry
copper industry
rare and precious metals
recycling industry
alloy development
new materials
equipment manufacturing
mine exploration
trading logistics
other industries

gold bar

implementation of the standard: gb / t4134-2015
application areas: money, decorations, medical, electronics, aviation industry, gold, alloy materials.

service hotline：0391-6699888
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