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 Coltan Coltan Available Very High Grade Coltan availeable for pick up in whatever bags or containers you choose at the port in Dar es Salaam, Tanzania Cost is $19.50 USD per Kilo. 20 Mt availeable, minimum 3 MT order. ***** Dar es Salaam, Tanzania Thank 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.