As tech gadgets like phones, cameras, and watches get sleeker and lighter, the tools making them must evolve too.
At Guangdong Dtech Technology Company in Dongguan, one of the world's largest suppliers of drill bits, Daily Bae's reporter discovered a drill bit just 0.1mm thick—visible only under a microscope.
Curious about how the micro-size drill bits are produced with high precision? Join us on an eye-opening journey inside this 2023 National Manufacturing Single Champion Product Enterprise!
Source | GDTV Net
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