China is drilling a hole nearly a mile deep with a 500-ton ‘underground aircraft carrier,’ and what it hunts down there is rarer than gold

China drills nearly a mile underground with the Gangtie Jiliang machine to unlock strategic mineral resources.

China just drilled a mile straight down with a 500-ton ‘underground aircraft carrier,’ on the hunt for one thing

China’s 500-ton "underground aircraft carrier" just hit a mile-deep milestone. Discover the high-tech race for raw materials.

Naipu Mining Machinery Co. Ltd. A

Complete Naipu Mining Machinery Co. Ltd. A stock information by Barron's. View real-time 300818 stock price and news, along with industry-best analysis.