Calle 17# 68d-39
DELGEMCO COLOMBIA SAS. is Tantalum-Niobium ores(Coltan), Tin and W(tungsten) exploration comercialization company concentrating its generative efforts in Colombia-South America Guyana. Our focus - the stage that offers strongest rewards growth ...
Tantalite,Cassiterite,Columbite,Wolframite,Coltan