Project enables international buyers to track their gold to the pit it was mined.
Tesla joins Glencore and others in industry alliance.
Commitment comes after miner signed supply deals with Tesla and Samsung.
Huayou previously halted cobalt DRC purchases in May due to child labour concerns.
Better Mining partnership's growth was first announced in April.
Organisations will integrate programmes covering responsible mining practices.
The equipment made available includes a mobile crusher and a centrifugal gravity concentrator.
XplorTracker will plot artisan miner mapping data against sample information.
Canadian gold producer inks LoI with artisanal group for development
Miner inks deal with battery maker
Argo is looking to commercialise a new, 'greener' technology for metals processing
World Bank and Pact find alarming numbers of miners still dig up minerals by hand