China’s first variable-diameter shaft reaming machine “CREC 1430”, independently developed and manufactured by China Railway Engineering Equipment Group Co., Ltd. (CREG), was rolled off the production line in Zhengzhou.
https://tunnellingjournal.com/variable-diameter-shaft-reaming-machine-completes-fat/
On September 1st, 2024, what is claimed to be China’s first variable-diameter shaft reaming machine “CREC 1430”, independently developed and...
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://tunnellingjournal.com/variable-diameter-shaft-reaming-machine-completes-fat/
Variable-diameter Shaft Reamer Completes FAT - The Tunnelling Journal
tunnellingjournal.comOn September 1st, 2024, what is claimed to be China’s first variable-diameter shaft reaming machine “CREC 1430”, independently developed and...