China Tungsten Conflict-Free Metals
The funds got from mineralstrade wasn't used on subsidizing violence or insurrection. China is conflict-free mineral country. The materials of tungsten products manufactured and supplied from Chinatungsten were explored from China continent. You could say Chinatungsten's tungsten products are conflict-free metals.
You do not have to worry your electronics (mobile phone, computer) have minerals in them could be sbsidized in the Democratic Republic of Congo.