Emerald Consulting is based in France and lists Sodium Bentonite and Coltan on Global Trade Plaza. The Sodium Bentonite is described as natural material fully compliant with API and OCMA standards, intended for drilling fluid in oil and gas operations, with availability of up to 10,000 metric tons per month on FOB Djibouti terms. The Coltan (Columbite-Tantalite) is offered in different grades with a minimum of 55% Ta2O5 and up to 20% Nb2O5, sourced from Ethiopia with a monthly quantity of 10 metric tons on FOB Addis Ababa terms. Buyers can send an enquiry through Global Trade Plaza.