THOSTI International GbmH

Karaj sleeper production plant

THOSTI personnel services:

  • Planning of entire works.
  • Coordination of entire purchasing.
  • Suitability testing of raw materials.
  • Sleeper and concrete design.
  • Approval tests.
  • Technical supervision during entire construction phase.
  • Works commissioning.
  • Personnel training.


Project Karaj sleeper production plant
Country Iran
Client Iranian Islamic Republic Railways
Year of construction 1984
Processing duration 12 months
Area ~ 10.000 m²
Product Track sleepers type B70
Sleeper system THOSTI-BBRV
Capacity 300.000 track sleepers/year
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