fewer impurities, high ingredients The pure tin ingots made by Dongguan Best Alloys Co., Ltd. It’s raw material mainly use the world’s top-ranked Yunnan Tin and electrolytic refined tin (purity 99.95%) to produce. Compared to Indonesia, Malaysia, it has the advantages of fewer impurities, high ingredients, significantly less content of harmful heavy metals Sb, As, Ba, Cd, Cr, Pb, Hg, Se than the ...
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