A video of a Chinese man extracting gold worth approximately 42 million Korean won from discarded mobile phone SIM cards has gone viral online. According to a report by the South China Morning Post, ...

On January 20 2026, a southern Chinese man's video surfaced online, who reportedly managed to extract 191 grams of gold from ...

As soon as the video went viral, a rush to buy old SIM cards began on second-hand platforms.

A man in southern China has drawn attention after demonstrating how he extracted 191.73 grams of gold worth over 210,000 yuan (US$30,222) from discarded SIM cards and other electronic waste.

While the demonstration boosted demand for used SIM cards and gold-refining kits online, Qiao warned that the process is ...

Phase 4A column leach testing on the Rangefront Zone included 24 variability composites from large-diameter (“PQ”) drill core representing the range of rock types and gold (“Au”) grades encountered in ...

An interdisciplinary team of experts in green chemistry, engineering and physics at Flinders University in Australia has developed a safer and more sustainable approach to extract and recover gold ...