According to the announcement by the Ministry of Petroleum, Geology and Mines, the candidates for the iron concession were unable to achieve "the minimum score required", and the concession was not awarded.
The phosphate concession and the diamond concession were still in competition.
According to the authority, the mining rights for the phosphate concession were awarded to Minbos Resources, Lda - Cácata Concession, in Cabinda - and to Cimenfort Industrial, Lda - Lucunga Concession, in Zaire.
The companies Ishangol LLC - Camafuca-Camazambo Concession, in Lunda Norte - and the B&A Somipa Consortium - Tchitengo Concession, in Lunda Norte and Lunda Sul - were the winners for the diamond concession.
The chairman of the board of the National Diamond Company of Angola (Endiama), Ganga Júnior, explained this Friday that the two diamond concessions in this bidding process had already been granted before.
"Camafuca, for example, has had more than 10 years already granted, with national and foreign businessmen, but in the meantime it has not started, and in order for the mines to contribute to this process of wealth formation, we had to work towards terminating the previous contracts and seek solutions," he said.
The president of Endiama added that the investments in the two concessions "are not less than 150 to 200 million dollars" each.
Ganga Júnior also said that "some care was taken in defining the profile of the companies that would be accepted to participate in this tender and the issue of their technical and financial capacity and experience, which was an important element of selection".
For this tender, the ministry received at the end of last year 17 bids for the acquisition of mining rights for five diamond, iron and phosphate concessions.
The winning companies "will negotiate and sign the contracts in the coming days, thus marking the closing of this tender," explained the guardianship, in a posting on its Facebook page.
"Now we are just going to go deeper, proceed to negotiate and sign the respective contracts," said Ganga Júnior, pointing out that the debureaucratization of the process "is extremely important.
"The essential work has been done, now the negotiation doesn't seem to take that long," he said.
When these two projects start, at least 3000 new jobs will be guaranteed, indicated Ganga Júnior.