中铝物流集团甘肃有限公司铁路专运线电厂、一厂以及二厂段现用设备所使用的信号电缆已超过大修期，多处存在线缆绝缘不良以及断线。电厂为电气化站场，一厂和二厂为非电气化站场，电厂含道岔8组，一厂含道岔22组，二厂含道岔13组，由我公司负责实施。

    The signal cables used by the existing equipment of the railway special-line of power plant, the Plant 1 and Plant 2 of the China Aluminum Logistics Group Gansu Co., Ltd. have exceeded the overhaul period, and there are many cables with poor insulation and disconnection. The power plant is electrification station, the Plant 1 and 2 are non-electrical stations. The power plant consists of 8 groups of switches, plant 1 contains 22 groups of switches, and the Plant 2 contains 13 groups of switches，which is implemented by our company.