Alphabetical List of Tunnel Boring Machine Producers. (Main TBM Manufactur...Ltd. is owned by China Railway Group Limite...rt of 'China Railway Engineering Corporati...South Korea)
JIMT - JIM Technology Corporation (J...NHI (China)
OGITEC - Underground Infrastr...
Shandong Tian You Tunnel Engineering...company has taken the lead in the IS09001 international...uality management system and the IS014001 international envir...ent stage, the company is in a period of rapid developm...