We are Success International Marketing based in Sait Petersburg , USA. We are member of Tradekey.com since February, 2010. Our business is related to Minerals & Metallurgy industry and we specifically deal in Gold, uncut Diamonds, Copper and Coltan. Please find our product details below:Sell High Grade ColtanColtan AvailableVery High Grade Coltan availeable for pick up in whatever bags or containers you choose at the port in Dar es Salaam, TanzaniaCost is $19.50 USD per Kilo. 20 Mt availeable, minimum 3 MT order. ***** Dar es Salaam, TanzaniaThank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.