We are mining-col based in Sogamoso , Colombia. member of Tradekey.com since January, 2009. Our business is related to Minerals & Metallurgy industry and we specifically deal quartz, pyrite. Please find our product details below:QUARTZWE SELL QUARTZ ...

We are Minera William, S.A. de C.V. based in Torreon , Mexico. member of Tradekey.com since June, 2008. Our business is related to Minerals & Metallurgy industry and we specifically deal Lead concentrate, zinc pyrite concentrate. Please find our product ...