Road Construction Bitumen 40-50 Bam Gostaran

  Bitumen 40-50 is a kind of penetration bitumens.  bitumen is mostly used for road surfacing.

Road Construction Bitumen 60-70 Bam Gostaran

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

Road Construction Bitumen 85-100 Bam Gostaran

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