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Tunnel Laohu Shan is cut through 8 months in advance.
On July 19ththe left hole of Tunnel Laohu Shan, the key project of the controlling connection line of Ji’nan sponsored by Shandong High-speed Group is cut through successfully , 8 months in advance of the project period written in the contract. Till now double holes in the six tunnels of East Erhuan Project and South Erhuan Project all have been cut through, layding a solid foundation to the tranport service by the end of 2017.