China's largest ever double - shied tunnel boring machine (TBM) has rolled off the assembly line in Wuhan and will soon be exported to India.
The TBM, at 9. 86 metres in diameter and 150 metres in length, was made by China Railway Science and Industry Group Co. , the People's Daily reported on Thursday.
Its weighs 2, 500 tonnes and its driving power can reach 4, 200 kw.
The machine took more than one year to make. It was built for the express purpose of completing a one - time 12. 5 - kilometre boring task in India.
In addition to India, products of China Railway Science and Industry Group Co. have also been exported to other countries, including Turkey and Laos.
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