GESTORA DE INVERSIONES TRALEN S.L. was incorporated in Spain on 2001 by a company Tralen Finance Ltd through and its registry agent is in Geneva (Switzerland). In 2006 its share capital became Spanish.

Based the Free Trade Agreement between Colombia and the European Union for the promotion of the production of Raw Materials, our company collaborates with local producers who exploit mining deposits with various tantalum oxide concentrates, and carry out legal and rational production.


We make a selection and homogenization of the Raw Material to commercialize tantalum oxide concentrates with an approximate content between 30% to 34%.

We carry out the analyzes in the Geological and Mining Institute of Spain, to guarantee the most exact quality possible.

We supply wholesale raw material with tantalum oxide concentrates to customers located in Europe and the USA.

Since 2019 we have created the retail section for supply raw material samples in small quantities through the SAMPLES SHOP aimed at laboratories for analysis and processing tests, also for mineral collectors, geology exhibitions, universities and for as many people want to have a sample of this Raw Material also called Coltán.

Our company is headquartered in Spain in the city of Alicante from where the online sale of Raw Material samples is carried out, and the wholesale for the metallurgy industry through a customs warehouse.