Quality stone for the foundations of the nation’s future.

  • Occupational health & safety commitment
  • Uniform-grading quality assurance
  • Responsible, eco-friendly mining
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Straight from our quarry to your project site.

  • Large stock, ready to ship every day
  • Own truck fleet, on-time schedules
  • Direct pricing with no middlemen
OUR PRODUCTS REQUEST A QUOTE

Split 1/2 to Base A/B, every size in stock.

  • Multi-layer screened, free of silt
  • Samples & lab test reports available
  • Delivery per trip or tonnage
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PHONE+62 812-3456-7890 EMAILinfo@bumigroup.co.id
OPEN HOURSMon – Sat, 07.00 – 17.00
LOCATIONPalu City, Central Sulawesi

SECTORS WE SERVE

Strong materials for every construction need.

FEATURED PRODUCTS

Pick a size, we deliver.

Ready stockPer trip / tonnage

Split Stone 3/5

Coarse aggregate with high bearing capacity for foundations, drainage channels, and road base layers carrying heavy loads.

VIEW DETAILS

Need a custom size or volume?

We can tailor specifications and delivery schedules for your project.

REQUEST A QUOTE

OUR PROJECTS

Explore the large-scale projects we supply

Road & Bridge Project

Split stone and base supply for road and bridge construction, with daily delivery schedules and consistent grading.

VOLUME
120.000 ton
LOCATION
Jawa Barat (sample)
YEAR
2024

Concrete Batching Plant

Regular supply of split 1/2 and 2/3 for ready-mix concrete production under monthly supply contracts.

VOLUME
85.000 ton
LOCATION
Banten (sample)
YEAR
2025

Housing & Industrial Estate

Backfill, base, and stone dust for large-scale housing and industrial estate development.

VOLUME
60.000 ton
LOCATION
Jawa Tengah (sample)
YEAR
2025

The best way to build the future is with solid stone.

PT Bumi Batuan Mandiri mines, crushes, and delivers andesite stone for roads, buildings, and infrastructure. No middlemen — from cliff face to truck, we protect quality in every grain.

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Vision

To be a trusted, sustainable supplier of stone and aggregate materials and the first choice for Indonesia’s infrastructure development.

Mission

Provide consistently graded split stone, guarantee stock and on-time delivery, and build long-term partnerships.

Quality

Multi-layer screened and lab tested so every delivery meets your project specifications.

Safety & Environment

Mining safely, responsibly, and in an environmentally friendly way, with a post-mining reclamation plan.

QUARRY GALLERY

From cliff face to truck.

01Mining area
02Stone crusher plant
03Material stockpile
04Loading & delivery
05Heavy equipment
06Quality control

PRODUCTION PROCESS

Four stages, one standard.

  1. 01

    Mining

    Controlled blasting and andesite extraction to safety (K3) standards.

  2. 02

    Crushing

    Staged primary, secondary, and tertiary crushing in the stone crusher.

  3. 03

    Screening

    Screening produces uniform grading and size.

  4. 04

    Delivery

    Fast loading, with our own truck fleet ready to deliver to your project site.

LEGALITY & CERTIFICATION

Official, licensed, and standardized.

IUP Production Operation

Mining business license for rock commodities covering extraction and sales.

No. 000/IUP-OP/2024

Business ID & Company Deed

Business Identification Number, tax ID, and a valid deed of establishment.

NIB 0000000000000

Environmental Impact (AMDAL / UKL-UPL)

Approved environmental documents and post-mining reclamation plan.

No. 000/DLH/2024

SMK3 / Mining Safety

Occupational safety management system led by a certified Head of Mining Engineering.

Certificate 000/SMK3

ISO 9001 & 14001

Quality and environmental management for consistent products in every delivery.

ISO Certificate 0000

Lab Tests & SNI Standard

Abrasion, specific gravity, and aggregate grading tests. Test reports available to download.

Test report 2024

TESTIMONIALS

What our clients say?

AR
“The stone grading is consistent in every delivery and the trucks are always on schedule. Our pours are never delayed.”
— Andi R. Project Manager, Road Contractor (sample)
DS
“Prices come straight from the quarry and stock is always available, which makes our project material planning much easier.”
— Dewi S. Purchasing, Batching Plant (sample)
BH
“A lab test report comes with every quotation. Our supervision team approves the material much faster.”
— Budi H. Site Manager, Developer (sample)
RM
“Quick responses and their own fleet. When our project schedule changed suddenly, they still adapted.”
— Rina M. Logistics, Building Contractor (sample)
YP
“Split 2/3 quality stayed stable from the first delivery to project completion. Highly recommended.”
— Yoga P. Supervisor, Government Project (sample)
Karya KonstruksiMitra Beton NusantaraAspal PrimaGraha DeveloperPublic Works & Highways AgencySinar InfrastrukturMain Batching PlantJaya KontraktorKarya KonstruksiMitra Beton NusantaraAspal PrimaGraha DeveloperPublic Works & Highways AgencySinar InfrastrukturMain Batching PlantJaya Kontraktor

LATEST ARTICLES

Insights on stone & aggregates.

KNOWLEDGE BASE

Got questions? We’ve got answers.

Orders start from 1 truckload (about 6–10 tons, depending on truck type). For large projects, monthly supply contracts with special pricing are available.

Yes. We provide samples for lab testing or visual checks before you place a large order.

Delivery uses our own truck fleet, per trip or per tonnage, to project sites within our service area. Freight is calculated by distance.

Send your requirements via WhatsApp or the contact form and we will reply with a quotation. Payment is by bank transfer, with term options for contract clients.

Yes. Aggregate lab results (abrasion, specific gravity, grading) are available and can be attached to our quotation.

For ready stock, delivery can be scheduled the same or next day. Large volumes are scheduled in stages to match project needs.

OUR LOCATION

Visit our office.

PT Bumi Batuan MandiriBTN Tamanria Estate, Jl. Rahmatullah Kavling, Silae, Ulujadi District, Palu City, Central Sulawesi 94227
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