By Tom Daly April 22 (Reuters) - China's exports of sulphuric acid to Chile dwindled to zero in March, Chinese customs data show, leaving the world's top copper producing nation facing a squeeze on ...

VANCOUVER - Marimaca Copper Corp. (TSX:MARI) (ASX:MC2), a mining company with an impressive 184% return over the past year according to InvestingPro data, has executed a binding option agreement to ...

By Amy Lv and Tony Munroe April 14 (Reuters) - China's copper smelters will likely press ahead with plans to trim output as ...

Prices for sulfuric acid, used to dissolve metal ore and produce fertilizer, have peaked amid expectations of weaker demand, researcher CRU said. The acid, the largest byproduct of copper smelting, ...

Copper smelters in China churned out a record volume of refined metal last month, as surging prices of byproduct sulfuric ...

Exclusivity period of 3-months to allow further detailed technical and engineering reviews including capital and operating cost estimates for the installation and operation of the sulfuric acid plant ...

Jiangxi Copper, the mainland's largest integrated copper producer, would invest 1 billion yuan (HK$1.13 billion) in a new sulphuric acid plant in Ruichang, Jiangxi province, at a time when prices of ...

China may have to increase copper imports in the months ahead as domestic smelters are forced to cut production of the metal due to problems disposing of sulphuric acid, a by-product of the smelting ...

VANCOUVER, British Columbia, Aug. 21, 2025 (GLOBE NEWSWIRE) — Marimaca Copper Corp. (“Marimaca” or the “Company”) (TSX: MARI) (ASX: MC2) is pleased to announce it has recently executed a binding asset ...

Option agreement to acquire sulfuric acid plant for US$2.5m Exclusivity period of 3-months to allow further detailed technical and engineering reviews including capital and operating cost estimates ...