Road Construction Bitumen 60-70 Fouman Chimi Gostar

  Bitumen 60-70 is a kind of penetration bitumens.  bitumen is mostly used for road surfacing.

Road Construction Bitumen 85-100 Fouman Chimi Gostar

  Bitumen 85-100 is a kind of penetration bitumens. Bitumen is mostly used for road surfacing.