When having questions on Coltan mineral offer, please send your inquury!
I am from the company, trading agency for raw materials.
We would like to offer to you a coltan mineral, certified, pure with a high-quality from Colombia.
If you are really interested we could arrange a meeting any time soon and discuss all the details regarding the price, quantity and the pureness of the coltan mineral.
Please, do not hesitate to contact me if you have any questions.