We are a group of mining companies in Congo we are dealing with coltan ,cobalt, copper and gold we welcome serious buyers all over the world we are ready to enter into into long term and spot contracts and we are able to supply huge quantities because of the number of the mining companies we have in our group which is under kasanga mines sarl, we do invite entities and buyers who want to invest in mimning sector here in congo or in any country in east and central africa, you can contact us for more detils.