Shanghai bourse studies overseas warehousing for bonded copper contract
The Shanghai International Energy Exchange bonded copper futures, which were launched in November, are open to international investors looking to hedge their exposure to China.
A team of MIT researchers in the United States has shown that they can separate pure copper and other trace elements from sulphur-based minerals using molten electrolysis.
The Tanzanian government submitted three bills to parliament on Thursday that would allow it to force mining and energy companies to renegotiate their contracts.
Mining companies operating in Chile are examining restarting projects that were put on hold in recent years due to a copper price slump, the mining minister and industry executives said, though final investment decisions will wait until political uncertainty lifts after the November presidential elections.