The decline in commodity imports in the first quarter seem to confirm the narrative of slowing growth in the world's second-largest economy.
Vale's situation could force other steelmakers to halt production if nothing is done to normalize supplies.
The company produced about 930 tonnes of contained cobalt since January through interim operational solutions.
President Jair Bolsonaro said on Friday the country could open a vast reserve in the Amazon rainforest to mining, a move attempted by his predecessor that was quickly rescinded following an international environmental outcry.
China's aluminium exports rebounded 59% month-on-month from a two-year low in February to reach 546,000 tonnes in March.
China's fourth-biggest lithium producer, plans to start building a plant to convert mineral ore to lithium that will more than triple its capacity.
It is unclear how long the dams' suspension will last.
The company is still positive on copper demand due to the expected rise in renewable energy and in electric vehicles.
Tianqi's $4.1B purchase of a 24% stake in SQM went through in December, but the Chinese firm has faced push back.
The company reported lower than expected full-year profit in February while warning of headwinds including lower precious metals prices for 2019.
The outlook comes after China's Tsingshan Group surprised the market last year with a low-cost estimate and short time frame to launch a $700 million plant on the Indonesian island of Sulawesi.
Electric car and battery maker BYD counts Warren Buffet among its investors and is also German automaker Daimler AG's partner in China.
The company churned out 18,170 tonnes of zinc metal in the March quarter.
Codelco returns all of its profits to the state and is funded by a mix of capitalization and debt.
The legislation would grant automakers a $7,000 tax credit for an additional 400,000 vehicles after they reach the 200,000 vehicle cap.
Demand for copper is expected to take off by the mid-2020s, but Chile is saddled with mines facing crippling declines in ore grades and a system that allows the bulk of its exploration concessions to sit idle.
Attempts to replace copper in a lithium-ion battery's anode with aluminum have failed so far, which bodes well for major copper miners.
The company is reportedly in talks to supply its battery-grade product to four leading automakers.
KGHM's foreign assets have struggled with rising costs, falling copper prices, technical problems and higher-than-expected capital spending.
Zimbabwe may withdraw mining rights from companies that take too long to dig for minerals.
The Chinese supplier of chemicals for lithium-ion batteries is also on the lookout for mine investment opportunities to guarantee supply.
The latest ruling raises the prospect that other companies could face legal action in England related to their activities abroad.
The company forecasts total metal production of between 82,000 to 86,000 gold-equivalent ounces in 2019.
The joint venture intended to explore for iron assets at the Simandou prospect, but the concession was revoked in 2014 by Guinea's government.
The company does not say whether this would impact shipping of the mineral.