Minsur S.A is a leading member of the tin production industry with facilities to mine, concentrate and smelt cassiterite, the common ore of tin, and to refine tin metal from our own tin concentrate.

Minsur S.A. has in place a due diligence management system that considers conflict free cassiterite to be that which has been sourced according to OECD´s due diligence 5 step framework aiming to avoid trade that may directly or indirectly finance or benefit armed groups or organizations that contribute to any type of human rights abuse.