A close look at largest shield tunneling machine to be exported by China

Photo shows China's self-developed ultra-large-diameter shield tunneling machine, the "CREC 1459 MEGA SLURRY TBM" in Zhengzhou, central China's Henan Province, May 8, 2025. (China News Service/Wang Yu)

The shield machine has a diameter of 15.7 meters, and an overall length of about 113 meters, setting a new record as the largest-diameter shield tunneling machine ever exported by China.

Photo shows China's self-developed ultra-large-diameter shield tunneling machine, the "CREC 1459 MEGA SLURRY TBM" in Zhengzhou, central China's Henan Province, May 8, 2025. (China News Service/Wang Yu)

Photo shows China's self-developed ultra-large-diameter shield tunneling machine, the "CREC 1459 MEGA SLURRY TBM" in Zhengzhou, central China's Henan Province, May 8, 2025. (China News Service/Wang Yu)