Quarry Products

Crushed Rocks

PT. ASN owns and operates several stone crusher plants located in Bula, consisting of Jaw Crushers and Impact Crushers. Our crushed rock products are of very good quality in mechanical properties and physical shape, hence very suitable for road construction and concrete works.

Typical sizes that we produce are:

  • 0-5mm (dust)
  • 5-10mm (chipping)
  • 10-20mm
  • 20-30mm
  • 30-50mm

Upon Request we are also able to produce different sizes, such as:

  • 50-70mm
  • Base Course Class A/ Class B/ Class C.
Size 0-5mm (chipping)
Size 10-20mm
Size 20-30mm


Sirtu is a combination of uncrushed gravel, sand, and small amount of clay, produced and washed directly from the river. This material is very effective and economical for road foundation and temporary road construction. It has very good compactibility and inter-locking characteristic, thus giving a compact and stable road for your project needs.


We can produce boulder of various sizes and weight to fulfill your project needs. It is natural river stone without breaker process, thus solidness and strength are maintained.


Our Sand is of very good gradation, suitable for any concrete works. We process it with thorough washing process to ensure the clay content to be less than 6%, controlled carefully by our quality control, we are confident to provide sand with a competitive price.

Lime Stone

In Bula site, we also have limestone quarry. It is normally used for road foundation and soil stabilization. We also can produce limestone in very large size for your specific project needs.