We are a mid size company we represent several .mines in the DRCCongo. We have an average of stock piles of 50 MT plus on a monthlybases of high quality Coltan. We work Alex Stewart forinspection.We also  deal  Copper and Tin these are purely onorder.We are looking for reliable companies looking for a new sourcemetallic minerals for there factory.we are open to offers/negotiations from through out the world toestablish serious long term relationships. We will be in a positionto provide any  documentation for authentification Please feel free to contact us.Charles OnyangoCEOÂ