Copper, zinc, gold, pb, gold Mine

We need to your help for finding different mine that use our products and tannery factory,textile,...
we are biggest manufacture of sodium sulphide(na2s) & sodium sulphidrate(nahs)
products use in different factories and mines like
•tanning : unhairing hides
•mining(gold,copper,zinc,..) : ore flotation
pls contact us asap,