RMU GroupExcellence
Advanced Mining Technology, Maritime Transportation, Manufacturing Excellence, Marine Operations & Construction Services

RMU Group Company Overview
Discover our integrated portfolio of excellence across 5 specialized companies
Leading Indonesia's Mining Innovation
Pioneering sustainable mining technology and comprehensive construction services with a commitment to environmental stewardship and social responsibility
Our Vision
Converting minerals into metals using a green pressurized hydrometallurgical process that prioritizes sustainable or ESG-based principles, establishing Indonesia as a leader in responsible mining technology.
Green Technology
Converting minerals using environmentally sustainable processes
ESG Principles
Prioritizing Environmental, Social, and Governance standards
Innovation Focus
Developing cutting-edge hydrometallurgical solutions
Our Mission
Process Indonesia's mineral wealth into Energy Transition Metals (ETM) and Rare Earth Metals through patented MPAL technology
Manage complex extraction through seven ESG risk dimensions: Waste, Water, Conservation, Land Use, Community, Social Vulnerability, Governance
Provide comprehensive construction and marine services to support Indonesia's infrastructure development
Ready to Transform Your Mining Operations?
Discover how our MPAL technology can revolutionize your mineral processing while maintaining the highest environmental standards.
Our Track Record
Proven excellence in mining technology and construction services
Why Choose RMU Group?
Leading Indonesia's transformation towards sustainable mining and infrastructure development
Innovation Leadership
Pioneering MPAL technology with patented spiral tube reactor system for next-generation mineral processing
ESG Commitment
Comprehensive approach to Environmental, Social, and Governance standards across all operations
Proven Excellence
18+ years of experience delivering complex projects across mining, marine, and construction sectors
Integrated Solutions
Complete ecosystem from technology development to construction implementation and marine operations
Quality Assurance
ISO certified operations ensuring highest standards in safety, environmental management, and quality
Future Ready
Scalable modular technology and infrastructure designed for Indonesia's energy transition needs
Our Journey
From innovative research to industry leadership - the RMU Group evolution
Foundation
PT Kembar Jaya Abadi established, beginning our construction excellence journey
Technology Innovation
RMU founded with focus on revolutionary MPAL technology development
Marine Expansion
PT Gemilang Kharisma operational, expanding into sustainable marine operations
Future Vision
Integrated group leadership in sustainable mining and construction excellence
Looking Ahead
As Indonesia moves towards its energy transition goals, RMU Group stands ready to lead the transformation with our integrated portfolio of sustainable mining technology, responsible marine operations, and world-class construction services.
Integrated Portfolio of Excellence
Five specialized companies working together to deliver comprehensive solutions across mining technology, maritime transportation, advanced manufacturing, marine operations, and construction services
PT Rekayasa Mineral Utama
Advanced MPAL Technology for Sustainable Mining
Leading provider of Modular Pressure Acid Leaching (MPAL) technology for sustainable mineral processing. Our patented spiral tube reactor system enables scalable, cost-effective processing of nickel laterite ore with significantly lower environmental impact compared to traditional methods.
Contact Information
Our Services
PT Bahana Nusa Pasifik
Trusted Maritime Transportation & Logistics Solutions
PT Bahana Nusa Pasifik adalah perusahaan penyedia jasa transportasi angkutan barang khusus dengan kapal tongkang yang telah beroperasi sejak tahun 2020. Dengan pengalaman dan kompetensi, kami menyediakan solusi transportasi laut yang efisien, handal dan aman bagi seluruh pelanggan/mitra kami.
Contact Information
Our Services
PT Perkakas Rekadaya Nusantara
Advanced Tools & Parts Manufacturing Excellence
PT Perkakas Rekadaya Nusantara (PRN) adalah perusahaan manufaktur yang berbasis di Subang dengan spesialisasi komponen otomotif, jigs & fixtures, dies, pallets, serta mesin khusus (special purpose machines). Dengan fasilitas lengkap, tenaga kerja terampil ±419 orang, sertifikasi ISO, serta klien global, PRN telah menempatkan diri sebagai pemain penting di industri manufaktur Indonesia.
Certifications
Major Clients
Contact Information
Our Services
PT Gemilang Kharisma
Sustainable Marine Sand Mining Operations
Perusahaan yang bergerak di bidang penambangan pasir laut dan melakukan kegiatannya di perairan pantai Batam. Memiliki aset lahan seluas 33.200 m² atau senilai 400 Miliar Rupiah dengan kepemilikan anak perusahaan sebesar 70%.
Contact Information
Our Services
PT Kembar Jaya Abadi
Building Excellence, Delivering Trust
Established construction company specializing in comprehensive building and infrastructure development with 31 years of proven excellence. Tersertifikasi ISO 9001:2015, ISO 14001:2015, dan ISO 45001:2018.
Contact Information
Our Services
Additional Subsidiaries
Expanding our capabilities through strategic subsidiary companies
Specialized Cargo Transportation
Barge vessel transportation services operating commercially since 2020, supporting maritime logistics across Indonesian waters
Marine Sediment Solutions
Specializing in marine sediment cleaning, treatment, transport, and utilization for environmental restoration projects
Revolutionary MPAL Technology
Modular Pressurized Acid Leaching technology with spiral tube reactor system - our patented intellectual property for sustainable mineral processing
What is MPAL Technology?
A breakthrough in mineral processing technology that enables scalable, cost-effective, and environmentally responsible extraction of Energy Transition Metals (ETM) and Rare Earth Metals from various mineral sources.
Key Innovation
Our patented spiral tube reactor system represents a compromise between process conditions, plant equipment design, and production capacity, resulting in optimal efficiency and sustainability.
Lower Operating Conditions
MPAL uses lower temperature & pressure than HPAL process, reducing energy consumption and operational costs
Modular Design
Scalable modular units with 4,000 tons nickel capacity per line. Capacity expandable by adding production modules
Reduced CAPEX & OPEX
Significantly lower investment and operating costs compared to conventional technologies
Environmental Friendly
Green pressurized hydrometallurgical process prioritizing ESG-based sustainable principles
Research Laboratory
Jl. Dangdeur Indah No.3, Sukagalih, Bandung – 40163, West Java
Advanced laboratory facilities for mineral processing research and development
Key Features:
Future Workshop & Pilot Plant
Bunihayu Village, Subang Regency, West Java (10 hectares)
Validates nickel processing with MPAL process for optimal parameters across different ore types
Key Features:
Seven ESG Risk Dimensions
Our MPAL technology manages complex extraction through comprehensive environmental, social, and governance considerations
Waste Management
Comprehensive waste reduction and recycling
Water Conservation
Efficient water usage and treatment systems
Environmental Conservation
Protecting biodiversity and ecosystems
Land Use Optimization
Responsible land management practices
Community Engagement
Local community involvement and benefits
Social Vulnerability
Addressing social impact and equity
Governance Standards
Transparent and ethical business practices
Green Environment Initiative
Integrated approach to tailings management with successful reforestation programs
Mine-Mouth MPAL Plant
Building MPAL factory in mining area to achieve low OPEX and green environment
Tailings Processing
Simplified and cost-effective MHP tailings processing compared to non-MPAL technology
Reforestation Program
Treating MPAL tailings for reforestation with bacteria-based organic fertilization
Pioneer Crop Plantation
Successfully growing sorghum as pioneer crop in treated mining areas
Proven Results: Sorghum Pioneer Crop
Our reforestation experiment shows successful growth of sorghum as pioneer crop in treated mining areas, demonstrating effective land rehabilitation from 10 days to 120 days after planting with bacteria-based organic fertilization.
Expert Leadership for Innovation
Our leadership team combines decades of industry expertise across mining technology, maritime operations, manufacturing, and construction to drive sustainable growth and innovation
RMU Group Leadership
Board of Directors & Commissioners
IBIH TG HASSAN
President Commissioner
RMU Group
Strategic leadership and corporate governance oversight for RMU Group's diversified portfolio. Provides strategic direct...
H. IR. DJONI ROSADI
President Director
RMU Group
Operational leadership and strategic direction for RMU Group's integrated business portfolio. Oversees day-to-day operat...
IWAN ABDURRACHMAN, IR.
Commissioner
RMU Group
Provides strategic oversight and governance guidance for RMU Group's business operations and development initiatives.
MULYO WIDODO, PROF. DR. IR.
Commissioner & Founder
RMU Group
Founding member and strategic advisor, providing academic and technical expertise to guide RMU Group's technology develo...
MUHAMMAD ZAKI MUBAROK, PROF. DR. IR.
Commissioner
RMU Group
Lead researcher and founder of MPAL technology. Professor and expert in hydrometallurgical processes with decades of exp...
PT Rekayasa Mineral Utama
Mining Technology
MUHAMMAD ZAKI MUBAROK, PROF. DR. IR.
Expert Staff & Founder
PT Rekayasa Mineral Utama
Chief Technology Officer and founder, leading MPAL technology development and research initiatives. Drives innovation in...
PT Bahana Nusa Pasifik
Maritime Services
R. TINO RILANTINO PRAWIRAKUSUMAH
Managing Director
PT Bahana Nusa Pasifik
Overall leadership and strategic direction for maritime transportation operations, fleet management and business develop...
R. ACHMAD HILMY AL RASYID
Operations Director
PT Bahana Nusa Pasifik
Operational excellence and safety compliance for maritime transportation services, ensuring efficient and secure cargo o...
M. FAHMI RACHMAT
General Manager
PT Bahana Nusa Pasifik
Day-to-day operations management and coordination between departments for seamless service delivery and customer satisfa...
PT Perkakas Rekadaya Nusantara
Manufacturing
Managing Director
Managing Director
PT Perkakas Rekadaya Nusantara
Strategic leadership for manufacturing operations across 6 production plants with 419+ workforce. Oversees automotive co...
Technical Director
Technical Director
PT Perkakas Rekadaya Nusantara
Technical leadership for advanced manufacturing processes, quality control, and engineering excellence. Ensures ISO comp...
PT Gemilang Kharisma
Marine Operations
Managing Director
Managing Director
PT Gemilang Kharisma
Strategic leadership for marine sand mining operations in Batam waters with focus on sustainable practices and environme...
Operations Manager
Operations Manager
PT Gemilang Kharisma
Daily operations management for marine mining activities, equipment coordination, and environmental monitoring to ensure...
PT Kembar Jaya Abadi
Construction
SYARIFUDIN NURDIANSYAH
PJBU (Penanggung Jawab Badan Usaha)
PT Kembar Jaya Abadi
Legal representative and business operations oversight for construction projects and corporate compliance. Ensures regul...
IR. OLIANSYAH OESNAWI
PJTBU (Penanggung Jawab Teknik Badan Usaha)
PT Kembar Jaya Abadi
Technical leadership for construction projects, engineering solutions, and quality assurance. Oversees technical aspects...
Our Leadership Philosophy
Excellence
Striving for the highest standards across all our business units, from technology innovation to operational excellence
Innovation
Leading technological advancement in mining, maritime, manufacturing, and construction industries
Collaboration
Building strong partnerships across industries to create sustainable value for all stakeholders
Let's Connect
Ready to explore mining technology solutions or discuss your construction needs? Our team is here to help you achieve your goals.
Get Started Today
Whether you need mining technology consultation, construction services, or marine operations support, we're ready to help.
Quick Contact
RMU Group Headquarters
JL. TB Simatupang Kav. 36, RT.001/RW015, Cilandak Barat
Jakarta Selatan, DKI Jakarta 12430
RMU Research Laboratory
Jl. Dangdeur Indah No.3, Sukagalih
Bandung, West Java 40163
RMU Future Workshop
Bunihayu Village, Jalancagak District, Subang Regency
Subang, West Java 41281
PT Gemilang Kharisma
Ruko Kharisma Business Centre Blok C No. 3-A, Kelurahan Sungai Harapan, Kecamatan Sekupang
Batam, Riau Islands
PT Kembar Jaya Abadi
Jl. Untung Suropati, Perum GTL Blok BB No.14
Samarinda, East Kalimantan 75243
Ready to Start Your Project?
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