Aug. 30, China Railway Shisiju Group Corporation, a wholly-owned subsidiary of CRCC, winned the bidding of the tunnel engineering of effluent segregation system in Tundayme tailings pond of Ecuador Mirador Copper Mine. This was the first oversea tunnel construction project winning by this company.
The tunnel of effluent segregation system in Tundayme tailings pond consists of 2898.39 meters long drainage main hole and 353.74 meters long drainage branch hole. The total investment of this project is 28.6828 million US dollars. The contract period is 21 months.