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    Techgong salesman Sara shi and Senior Engineer Jiyan liu attended Tunnel- Mininig Expo from Aug. 27th to 29th, 2015.

    In this exhibition, Techgong had good communication with overseas enterprises in business areas, technical strength and project performances, thus improved Techgong brand in these market and got chance for business cooperation and resource management, finally provided good opportunity for Techgong leap-forward development.