A man in Guangdong successfully extracted 191.73 grams of gold from a batch of waste SIM card chips on January 20.
The man explained that to ensure stability and corrosion resistance, SIM cards are gold-plated on critical components such as the chips and contact pins.
Besides SIM cards, other materials like bank card chips and old mobile phones are also considered gold-bearing scrap.
However, it is important to note that the gold content in a single SIM card is extremely low, amounting to only about 0.02 grams or even less.
Furthermore, the extraction process is hazardous and is not recommended for individuals to attempt.
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