Hi, welcome to visit!

  • Find Us

    HeNan, China

  • Online Us

    24-hour service

News Center
  1. HOME
  2. -- Marshall And Swift Equipment Cost Mining

Marshall And Swift Equipment Cost Mining

Cost indexes used for the models are sum173marized for the years 19671989 in table 1 Included in the table is the Marshall amp Swift index 1214 for escala173ting capital costs of mining and milling operations To update costs for a given equation divide the index for the specified date by the base year cost index 1989 and multiply the cost

Read More
Hots News