Track Record of Excellence

Featured Projects & Case Studies

A proven track record of delivering complex, multi-million dollar engineering, construction, and power infrastructure contracts across Indonesia.

Mining & SmelterOperational

High-Capacity Overland Conveyor & Smelter Feed System

Complete turnkey EPC for a 4.2 km overland belt conveyor system including 3 transfer towers, dust suppression systems, and 1,800 TPH throughput for nickel ore handling.

Morowali Industrial Park, Central Sulawesi
PT Mineral Prima Resources
Throughput
1,800 TPH
Conveyor Length
4.2 km
Power & AutomationCompleted

150kV High-Voltage Substation & Power Distribution Upgrade

Engineering, procurement, installation, and testing of a new 150kV gas-insulated switchgear (GIS) substation, redundant power distribution network, and automated SCADA system.

Balikpapan, East Kalimantan
National Energy Petrochemical Hub
Substation Voltage
150 kV / 20 kV
Transformer Capacity
2 x 60 MVA
EPC & ConstructionCompleted

Chemical Plant Expansion EPC & High-Pressure Piping Erection

Turnkey mechanical and civil package for greenfield monomer processing unit, involving 28,000 diameter-inches of stainless and alloy high-pressure piping.

Cilegon Industrial Zone, Banten
PT Nusantara Petrochem Industries
Piping Volume
28,000 Dia-Inch
Heavy Equipment Lifts
4 Major Columns
Maintenance & TurnaroundCompleted

Major Ammonia Plant Turnaround & Heat Exchanger Overhaul

Execution of critical 25-day annual turnaround maintenance covering 42 shell-and-tube heat exchangers, high-pressure synthesis reactor internals, and turbine compressors.

Gresik, East Java
PT Pupuk Nusantara Agro
Turnaround Duration
25 Days (24/7)
Workforce Deployed
450 Technicians
Mining & SmelterOngoing

Primary Mineral Crushing Station & Heavy Foundation Works

Construction of heavy reinforced concrete gyratory crusher vault, heavy apron feeder structural frames, and heavy-duty rock breaker support gantries.

Highland Ridge, Timika, Papua
PT Timika Mineral Maju
Crusher Capacity
2,500 TPH
Concrete Volume
4,800 m3
Power & AutomationOperational

3.8 MWp Rooftop Solar PV & Smart Microgrid Integration

Turnkey engineering and installation of 3.8 MWp Tier-1 monocrystalline solar PV system over 4 factory roofs with zero penetration mounting and automated grid synchronization.

KIIC Industrial Area, Karawang, West Java
PT Global Auto Parts Manufacturing
System Capacity
3.8 MWp
Annual Clean Energy
5,200 MWh/yr
Direct Communication

Partner with PT Jalamas Artha Sakti

Connect directly with our engineering directorship and project estimation specialists. We respond to commercial tenders and technical inquiries within 24 business hours.

Corporate Contact DirectoryHQ & Hubs

Headquarters (Jakarta)
South Quarter Tower B, 12th Floor, Jl. R.A. Kartini Kav. 8, Cilandak Barat, Jakarta Selatan 12430, Indonesia
Fabrication & Staging Hub (Bekasi)
Operating Hours
Monday – Friday: 08:30 – 17:00 WIB
24/7 Rapid Emergency Response for Plant Turnarounds

Frequently Asked Questions

We undertake Lump Sum Turnkey (LSTK), Engineering Procurement Construction Management (EPCM), Balance of Plant (BOP), and unit-rate construction contracts across industrial manufacturing, mining infrastructure, high-voltage power distribution, and petrochemical sectors.

Project Inquiry & Proposal Request

Please submit your technical scope or RFP details. Our engineering directors will review and respond promptly.

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