昆明钢铁厂上厂铁矿的矿石运输,采用了一条适应本地地形特点的双线循环式架空索道。索道全长24.43公里,起点与终点高差为353.9米途经四个县境,沿线群山起伏,树林茂盛,跨越山脊深谷数座,在国内索道中,此为地形较复杂的双线索道之一。该索道于1966年12月开始施工,1970年7月建成投产,经五年多的生产实践说 Kunming Iron and Steel Plant Iron ore mining plant transport, the use of a local terrain characteristics of the double-line loop ropeway. Cableway length of 24.43 kilometers, the starting point and the end elevation of 353.9 meters through the four counties, along the mountains and lush, lush forests, across the valley ridge several seats in the domestic cableway, the terrain is more complex one of the two cableways . The cableway started construction in December 1966 and was put into operation in July 1970. After more than five years of production practice