About Us

History & Profile

Building National Defense Industry Self-Reliance

PT Jalakaca Mandiri Sejahtera was established as a strategic move to meet the needs of the maritime, renewable energy, and defense system sectors in Indonesia. Under the guidance of the Bhumyamca Social Foundation (YASBHUM – Indonesian Navy), we have grown into an integrated solutions provider that combines modern technological expertise with a commitment to domestic industrial sovereignty.

Company Vision and Mission

Company Vision

To become a strategic partner in a trusted and competitive business within the sectors of new and renewable energy (NRE), information technology, and the maintenance of defense and security equipment.
Company Mission

Company Mission

  1. Cultivate an entrepreneurial spirit and expand the network of business partners to enhance the company’s competitiveness
  2. Implement good corporate governance and support the development of human resource potential
  3. Strengthen cooperation in the battery and solar panel industries, the development of digitalization and telecommunications, and the maintenance of defense and security equipment.

Company Management

Leadership Structure

board of Commissioners

Gunawan Purwo Handoko

Commissioners

Board of Directors

Maman Rohman

Directors

Shareholders

Bhumyamca Social Foundation

(YASBHUM – TNI AL Group)

Strategic Partner for the Defense Industry and the Nation

Manufacturing Facility

2 High-Tech Factories in Bogor

Battery & BESS Factory

Focus: BESS Assembly, Lithium Battery Modules, Solar PV Installation, Battery Testing Laboratory

Chemical & Paint Factory

Focus: Formulation of G-CLEAN Maintenance Chemicals & Warehousing for SEIV Chemolux Paint

Project History

Work Experience and Track Record

Indonesian Navy Ship Backup Batteries & UPS

Procurement of Backup Batteries and UPS for Indonesian Navy Warship Communication Systems.

SEIV Marine Protective Paint

Supply of SEIV Chemolux Maritime Protective Paint for Indonesian Navy Ship Dry-Docking Maintenance.

Chemical Cleaning of Ship Engines and Weapons

Application of I-CLEAN Chemicals in the Routine Maintenance of Indonesian Navy Ship Engines and Weaponry.

Hybrid Solar PV & Containerized BESS

Installation of Hybrid Solar Power Plants (PLTS) and Containerized BESS in Coastal Areas and Papua.

Contact us

Your Strategic Partner

Ready to discuss BESS manufacturing requirements, solar PV projects, SEIV industrial protective coatings, G-CLEAN chemical treatments, or Harkomlek maintenance? Our professional technical and sales teams are ready to assist.

Headquarters

Indonesian Navy Office Complex, Buncit Mas Complex B-2, Mampang Prapatan No. 108, South Jakarta

Factory 1

Jl. Kampung Kembang Kuning, Klapanunggal, Bogor

Factory 2

Jl. Raya Wanaherang No.258, Cicadas, Kab. Bogor 16964

Telephone

+62 813-8430-0989

E-mail

pt.jms@jalakacams.co.id

PT. Jalakaca Mandiri Sejahtera

Manufacturing of lithium batteries, solar panels, marine protective coatings, and military-grade maintenance chemicals. Operating under the auspices of YASBHUM – Indonesian Navy (TNI AL).

© 2026 PT Jalakaca Mandiri Sejahtera. All rights reserved.