Building The Future of Indonesian Mining

PT. Nusantara Karya Raya Indonesia

Integrated Mining Solutions for Indonesia’s Future

Since its establishment in 2018, PT. Nusantara Karya Raya Indonesia has rapidly evolved into a nationwide operating holding company, uniting a group of subsidiaries with proven expertise in mining services and general construction. Backed by deep industrial knowledge and a commitment to sustainable growth, we offer a full spectrum of end-to-end mining solutions—from exploration to production and commodity transportation—executed with efficiency and precision.

In an industry known for its high complexity and demanding nature, we believe safety is not merely a compliance standard, but the very foundation of operational excellence. Our strict implementation of Occupational Health, Safety, and Environmental (HSE) protocols ensures a secure working environment, reliable infrastructure, and full regulatory compliance across all operations.

Driven by synergy, innovation, and a visionary mindset, PT. Nusantara Karya Raya Indonesia stands as a strategic partner to the Indonesian mining sector—offering integrated, efficient, and sustainability-focused solutions that empower our partners while contributing to the nation’s long-term economic resilience.

PT. Nusantara Karya Raya Indonesia

Integrated Mining Solutions for Indonesia’s Future

Since its establishment in 2018, PT. Nusantara Karya Raya Indonesia has rapidly evolved into a nationwide operating holding company, uniting a group of subsidiaries with proven expertise in mining services and general construction.
Backed by deep industrial knowledge and a commitment to sustainable growth, we offer a
full spectrum of end-to-end mining solutions
– from exploration to production and commodity transportation – executed with efficiency and precision.

In an industry known for its high complexity and demanding nature, we believe safety is not merely a compliance standard, but the very foundation of operational excellence.
Our strict implementation of Occupational Health, Safety, and Environmental (HSE) protocols ensures a secure working environment, reliable infrastructure, and
full regulatory compliance across all operations.

Driven by synergy, innovation, and a visionary mindset, PT. Nusantara Karya Raya Indonesia stands as a strategic partner to the Indonesian mining sector – offering integrated, efficient,
and sustainability – focused solutions that empower our partners while contributing
to the nation’s long-term economic resilience.

Our Vision

To become a leading investment company in Indonesia’s mining services sector, championing integrated solutions, innovation, and tangible contributions to national industrial growth.

Our Mission

1. Prioritize Occupational Health & Safety

Implement world-class safety standards through rigorous training, advanced equipment, and full adherence to national and international mining regulations.

2. Deliver High-Quality Mining Services

Provide integrated, efficient services that support optimal mining operations and adhere to global best practices.

3. Leverage Advanced Technology

Incorporate the latest technological advancements to enhance productivity and operational efficiency across mining activities.

4. Foster Synergy Among Subsidiaries

Build a solid, complementary ecosystem by integrating the specialized services of each business unit under the PT. Nusantara Karya Raya Indonesia umbrella.

5. Support National Economic Growth

Drive strategic development in Indonesia’s mining industry, create employment opportunities to drive national economic progress.

Our Vision

To become a leading investment company in Indonesia’s mining services sector, championing integrated solutions, innovation, and tangible contributions to national industrial growth.

Our Mission

1. Prioritize Occupational Health & Safety

Implement world-class safety standards through rigorous training, advanced equipment, and full adherence to national and international mining regulations.

2. Deliver High-Quality Mining Services

Provide integrated, efficient services that support optimal mining operations and adhere to global best practices.

3. Leverage Advanced Technology

Incorporate the latest technological advancements to enhance productivity and operational efficiency across mining activities.

4. Foster Synergy Among Subsidiaries

Build a solid, complementary ecosystem by integrating the specialized services of each business unit under the PT. Nusantara Karya Raya Indonesia umbrella.

5. Support National Economic Growth

Drive strategic development in Indonesia’s mining industry, create employment opportunities to drive national economic progress.

Our Commitment to Safety

Since our inception, safety has been ingrained into every facet of our operations. We firmly believe that safeguarding our workforce not only protects lives but ensures business continuity and productivity.
Some of the safety programs that we regularly implement include:

  • Routine Safety Training, including emergency drills and mandatory use of certified protective equipment (PPE).
  • Scheduled Equipment Inspection and Maintenance to ensure optimal performance and prevent downtime or hazards.
  • Updated Emergency Response Procedures tailored to field-specific risks.
  • Regular Safety Audits to ensure full compliance with both national and international safety standards.

Through a proactive approach to safety, we maintain efficient operations that uphold the highest professional standards and are free from unnecessary work risks.

With our commitment to professionalism, safety, and efficiency, we are ready to become one of the leading players in nation-wide mining services.

PT. Nusantara Karya Raya Indonesia,
Synergy for Progress, Safety for Sustainability.

Our Commitment to Safety

Since our inception, safety has been ingrained into every facet of our operations. We firmly believe that safeguarding our workforce not only protects lives but ensures business continuity and productivity.
Some of the safety programs that we regularly implement include:

  • Routine Safety Training, including emergency drills and mandatory use of certified protective equipment (PPE).
  • Scheduled Equipment Inspection and Maintenance to ensure optimal performance and prevent downtime or hazards.
  • Updated Emergency Response Procedures tailored to field-specific risks.
  • Regular Safety Audits to ensure full compliance with both national and international safety standards. 


Through a proactive approach to safety, we maintain efficient operations that uphold the highest professional standards and are free from unnecessary work risks.

With our commitment to professionalism, safety, and efficiency, we are ready to become one of the leading players in nation-wide mining services.

PT. Nusantara Karya Raya Indonesia,
Synergy for Progress, Safety for Sustainability.

Our Leadership

Subsidiaries Overview

PT. Garuda Bakti Nusantara (Logistics Services)

Since its establishment in 2010 PT. Garuda Bakti Nusantara (GBN) has grown into a trusted provider of integrated logistics services, delivering goods across the vast expanse of Indonesia.

With a wide-reaching network of reliable agents and shipping partners, PT. Garuda Bakti Nusantara (GBN) offers efficient and comprehensive logistics solutions tailored to the diverse needs of various industrial sectors.

Our commitment to professionalism is reflected in the implementation of strong operational management practices, a focus on service quality and dedication to customer satisfaction.

PT. Garuda Bakti Nusantara (GBN) also actively leverages advancements in information technology to enhance accuracy, transparency, and speed across all stages of the delivery process.

In every operational activity, PT. Garuda Bakti Nusantara (GBN) places Occupational Health, Safety, and Environmental (HSE) standards as a top priority. This ensures not only smooth and timely distribution but also the safety of our workforce and the sustainability of the environment throughout our operational areas.

PT. Siliwangi Sumber Makmur (Mining Services)

Established in 2015, PT. Siliwangi Sumber Makmur (SSM) is a leading mining services company in Indonesia, specializing in high-precision blasting and drilling operations. With a steadfast commitment to efficiency, safety, and operational excellence, SSM has earned a solid reputation as a trusted partner in supporting mining projects across diverse regions of the country.

Driven by an experienced leadership team and a workforce of highly skilled professionals, SSM continuously invests in innovation and best practices to elevate the quality and reliability of its on-site services.

This unwavering dedication to performance and client satisfaction has positioned PT. Siliwangi Sumber Makmur as a strategic partner of choice in the mining sector – building long-term, value
-driven relationships with clients and stakeholders throughout the industry.

PT. Siliwangi Sumber Makmur
(Mining Services)

Established in 2015, PT. Siliwangi Sumber Makmur (SSM) is a leading mining services company in Indonesia, specializing in high-precision blasting and drilling operations. With a steadfast commitment to efficiency, safety, and operational excellence, SSM has earned a solid reputation as a trusted partner in supporting mining projects across diverse regions of the country.

Driven by an experienced leadership team and a workforce of highly skilled professionals, SSM continuously invests in innovation and best practices to elevate the quality and reliability of its on-site services.

This unwavering dedication to performance and client satisfaction has positioned PT. Siliwangi Sumber Makmur as a strategic partner of choice in the mining sector—building long-term, value-driven relationships with clients and stakeholders throughout the industry.

PT. Distribusi Ammo Nusantara (Explosives Distribution)

PT. Distribusi Ammo Nusantara, acquired in 2019, is one of only nine entities in Indonesia officially licensed to distribute commercial explosives. The company holds a specialized permit for Ammonium Nitrate-based materials, with an impressive annual distribution quota exceeding 80,000 tons.

Backed by a team of seasoned professionals with deep expertise in mining services, PT. Distribusi Ammo Nusantara places the highest priority on workplace safety and regulatory compliance across all operations.

The company manages a strategically located, 4-hectare explosives storage facility in Banjarbaru, South Kalimantan. This site features a primary warehouse capable of storing up to 3,000 tons of Ammonium Nitrate, alongside dedicated storage units for other explosive materials and accessories – ensuring secure, efficient, and compliant handling of all inventory.

PT. Fardis Cakrawala Indonesia (Human Resources)

PT. Fardis Cakrawala Indonesia (FCI), established in 2023, is a dynamic and rapidly growing company operating nationwide, specializing in the provision of highly skilled human resources tailored for the mining industry. Since its inception, FCI has been steadfast in its mission to enhance mining operations across Indonesia by delivering a workforce that is not only well-trained and experienced but also deeply committed to meeting the unique demands of the sector.

To date, PT. Fardis Cakrawala Indonesia has successfully deployed a diverse team of professionals to key coal mining sites in the Tuhup region of Central Kalimantan. With a focus on rigorous recruitment standards and comprehensive training programs, FCI ensures that every team member is fully equipped to drive productivity, safety, and operational excellence in challenging mining environments.

By continuously refining its processes, PT. Fardis Cakrawala Indonesia (FCI) has positioned itself as a trusted partner in the mining industry, known for delivering top-tier personnel who contribute directly to the success and safety of mining operations.

PT. Fardis Cakrawala Indonesia
(Human Resources)

PT. Fardis Cakrawala Indonesia (FCI), established in 2023, is a dynamic and rapidly growing company operating nationwide, specializing in the provision of highly skilled human resources tailored for the mining industry. Since its inception, FCI has been steadfast in its mission to enhance mining operations across Indonesia by delivering a workforce that is not only well-trained and experienced but also deeply committed to meeting the unique demands of the sector.

To date, PT. Fardis Cakrawala Indonesia has successfully deployed a diverse team of professionals to key coal mining sites in the Tuhup region of Central Kalimantan. With a focus on rigorous recruitment standards and comprehensive training programs, FCI ensures that every team member is fully equipped to drive productivity, safety, and operational excellence in challenging mining environments.

By continuously refining its processes, PT. Fardis Cakrawala Indonesia (FCI) has positioned itself as a trusted partner in the mining industry, known for delivering top-tier personnel who contribute directly to the success and safety of mining operations.

PT. Pelayaran Garuda Bakti Nusantara
(Maritime Logistics)

PT. Pelayaran Garuda Bakti Nusantara (PGBN) is a premier maritime logistics company specializing in comprehensive sea freight services. Offering bespoke time charter solutions and fleet management, PGBN caters to a diverse range of industries, ensuring tailored transportation solutions that meet the unique needs of each sector.

The company expertly manages the transportation of a wide array of cargo, including both general and specialized shipments such as dangerous goods (DG class), mining outputs, construction materials, agricultural products, heavy equipment, and various other industrial commodities—ensuring each item is handled with precision and care.

With an unwavering commitment to maintaining the highest standards of maritime safety and full regulatory compliance, PT. Pelayaran Garuda Bakti Nusantara guarantees that every shipment is delivered securely, efficiently, and on time.

Positioning itself as a reliable and trusted logistics partner, PGBN plays a vital role in supporting sustainable and resilient supply chains for clients across domestic and international markets, fostering long-term, mutually beneficial relationships in the process.

PT. Mitra Cuan Abadi (Drilling & Innovation)

PT. Mitra Cuan Abadi (MCA), established in 2024, was founded with a clear vision to become a leading force in the mining industry, specializing in the delivery of highly efficient and integrated drilling and blasting services.

Offering end-to-end solutions, PT. Mitra Cuan Abadi (MCA) manages the entire process—from blast design, planning, and drilling to the precise execution of blasting operations. Every step is strategically engineered to optimize fragmentation, reduce operational costs, and enhance overall mining productivity.

In addition to its core services, PT. Mitra Cuan Abadi (MCA) proudly serves as the official distributor of JK Drill DTH drilling machines from China and is the authorized agent for the groundbreaking LOx Breaker technology. This innovative rock-breaking method introduces a more effective, sustainable, and environmentally friendly approach to the industry.

Leveraging deep technical expertise and cutting-edge technology, PT. Mitra Cuan Abadi (MCA) is committed to becoming a trusted strategic partner for mining operations across Indonesia, driving both efficiency and safety in every project.

PT. Mitra Cuan Abadi
(Drilling & Innovation)

PT. Mitra Cuan Abadi (MCA), established in 2024, was founded with a clear vision to become a leading force in the mining industry, specializing in the delivery of highly efficient and integrated drilling and blasting services.

Offering end-to-end solutions, PT. Mitra Cuan Abadi (MCA) manages the entire process—from blast design, planning, and drilling to the precise execution of blasting operations. Every step is strategically engineered to optimize fragmentation, reduce operational costs, and enhance overall mining productivity.

In addition to its core services, PT. Mitra Cuan Abadi (MCA) proudly serves as the official distributor of JK Drill DTH drilling machines from China and is the authorized agent for the groundbreaking LOx Breaker technology. This innovative rock-breaking method introduces a more effective, sustainable, and environmentally friendly approach to the industry.

Leveraging deep technical expertise and cutting-edge technology, PT. Mitra Cuan Abadi (MCA) is committed to becoming a trusted strategic partner for mining operations across Indonesia, driving both efficiency and safety in every project.

Contact Us

    PT. Nusantara Karya Raya Indonesia

    Wisma Kemang - GF Jl. Kemang Selatan Raya No.1 Jakarta 12730, Indonesia +6221-7179-3395

      Contact Us

      PT. Nusantara Karya Raya Indonesia

      Wisma Kemang – GF Jl. Kemang Selatan Raya No.1
      Jakarta 12730, Indonesia
      +6221-7179-3395

      Dien Hariati – President Commissioner 

      Dien is the current President Commissioner of PT. Nusantara Karya Raya Indonesia. She brings over a decade of professional experience in the banking sector, with a particular focus on Corporate Banking.

      Her career began and flourished in the banking industry, where she held various strategic roles, from Account Manager to Assistant Vice President. In these positions, she successfully managed large corporate client portfolios, conducted in-depth credit analysis, and cultivated long-term business relationships built on trust and strategy.

      Her strong academic background further bolstered her professional journey. She earned a Master of Management (MM) degree with a specialization in Strategic Management, strengthening her expertise in strategic decision-making and risk management.

      Now, as the President Commissioner at PT. Nusantara Karya Raya Indonesia, she plays a pivotal role in ensuring the company’s direction and governance align with principles of sustainability and integrity. Her leadership reflects a long-term vision and an adaptive approach to industry dynamics.

      She remains actively engaged in providing strategic insights that support the growth of the group across various business sectors.

      “Strategic leadership means keeping your compass steady –
      even amidst the most dynamic changes.”

      Stefaan De Beleyr – Chief Information Officer (CIO)

      Stefaan De Beleyr is a highly experienced professional with over 20 years of intensive expertise across the oil & gas, logistics, and information technology sectors in Belgium.
      After a successful career in Europe, he is now based in Jakarta and serves as the Chief Information Officer (CIO) at PT. Nusantara Karya Raya Indonesia, where he leads the company’s digital transformation and the management of its information systems.

      His career began as a researcher in Econometrics and Technology Management at a prestigious university in Belgium. He then advanced to a role as an Analyst in an international oil company. His career trajectory continued in the logistics sector, specializing in chemicals and commodities, where he served as Financial Controller. Subsequently, he was appointed as the Group Manager of Business Controlling at a leading, international construction materials company.

      Before joining PT. Nusantara Karya Raya Indonesia, he held the position of Senior Business Consultant, focusing on digital business analysis reporting, innovation, and the development of Business Intelligence solutions.

      As the CIO at PT. Nusantara Karya Raya Indonesia, he is responsible for developing and implementing digital strategies that drive operational efficiency and foster innovation. With a diverse background spanning multiple industries, he combines expertise in economics, technology, and information management to support the company’s sustainable growth and long-term success.

      “Digital transformation is not just about technology –
      it’s about using innovation to shape a better future.”

      Raditya Wardhana – President Director

      Since 2006, Raditya has been a dedicated mining professional, actively involved in the quarry mining industry and founding several ventures in exploration and the management of rocks and minerals. With 20 years of experience, he now oversees the operations of three active mines located in West Java. His leadership reflects a strong commitment to professional, sustainable, and integrity-driven mining practices.

      In 2009, Raditya expanded his business portfolio into the transportation of commercial explosives and later ventured into the drilling and blasting services sector. A major transformation occurred when he successfully acquired two strategic companies: PT. Distribusi Ammo Nusantara (DAN), which specializes in commercial explosives, and PT. Fardis Jasa Indonesia, operating in the telecommunications sector.

      His latest innovation is the establishment of  ‘BlastPro’, a company focused on providing cutting-edge drilling equipment and the environmentally friendly LOx Breaker technology.

      Today, under his leadership, five companies thrive within a cohesive ecosystem, each complementing the other under the umbrella of PT. Nusantara Karya Raya Indonesia, the parent company.

      “Success is about having the courage to begin, the perseverance to grow, and the sincerity to create lasting value.”

      Arie Arrachman – Group Treasury Manager

      Arie Arrachman is a highly skilled professional in the fields of finance and accounting, with over 20 years of experience.

      His career began as an Officer at the Card Center, where he first honed his customer service and communication skills as a Customer Relations Assistant. In 2010, Arie’s career took a significant step forward as he became an Account Officer in the SME division, eventually earning the trust to lead a branch as a Branch Manager at one of Indonesia’s largest state-owned banks.

      After his successful tenure in banking, Arie transitioned into the corporate sector, taking on the role of Finance Manager at a logistics service provider company.

      Currently, Arie holds a strategic position as Group Treasury Manager at PT. Nusantara Karya Raya Indonesia, where he is responsible for overseeing the financial processes of the company’s subsidiaries. Combining technical expertise with strategic insight, Arie plays a key role in supporting business growth and ensuring long-term financial sustainability.

      “Financial success is about more than numbers—it’s about relationships and leadership with integrity.”

      Sarah Shivina – Finance Director

      Sarah Shivina is a seasoned professional with over 25 years of experience in business and finance, holding an academic background in Finance and International Business Management.

      Her career began as an Investment Banker at a nation-wide securities firm, followed by a role as a lecturer in Marketing and Business Communication at a prominent banking and finance institution.

      Sarah then transitioned into the logistics industry, where she served as a Finance Manager. She further advanced her career at one of the largest South African mining companies, where she held the position of Financial Manager before being entrusted with the role of General & Commercial Manager, overseeing the commercial, operational, and financial divisions.

      Her international career continued in Belgium, where she joined one of the largest pharmaceutical companies as a Logistics & Customer Experience Analyst, specializing in managing the import-export activities of pharmaceutical products for the Western European market.

      Currently, Sarah serves as the Chief Financial Officer (CFO) at PT. Nusantara Karya Raya Indonesia, where she is responsible for strategic financial planning and strengthening the financial structure for the parent company.

      “Vision isn’t just seeing the future—it’s daring to build it.”

      Muhamad Indrian (President Director)

      He began his career in sales by joining PT. Armada Autotara, a company in the automotive industry.

      From 2004 to 2012, he expanded his experience by working for two AMDK manufacturing principals, PT. Panglima Pamenang and PT. Tribanyan Tirta, in marketing and distribution. His career then progressed to PT. Pakar Nitro Utama in 2012–2013, where he was involved in the transportation of commercial explosives for the mining industry.

      At the end of 2013, Mr. Muhamad Indrian co-founded PT. Garuda Bakti Nusantara with Mr. Raditya Wardhana. In 2023, he further developed the business into PT. Pelayaran Garuda Bakti Nusantara.

      To this day, he continues to grow these companies with unwavering commitment and dedication to the success of PT. Garuda Bakti Nusantara and PT. Pelayaran Garuda Bakti Nusantara.

      Zulkarnain Sani (President Director)

      His professional career began in the advertising industry, where he was actively involved from 2002 to 2008.
      He later assumed several key leadership roles at notable companies.

      He served as President Director of PT. Bhinneka Kreasi Mandiri (2008–2011), President Director of PT. Sandika Agra Perkasa (2011–2015), and Director of PT. Cipta Media Persada (2015–2019).

      Currently, he serves as President Director of PT. Distribusi Ammo Nusantara (DAN) and Commissioner of PT. Mitra Cuan Abadi since 2024.
      With over two decades of experience across various industries, Zulkarnain Sani brings a strong vision, strategic leadership, and unwavering dedication to the companies he leads.

      Hamond Chandra (President Director)

      Hamond Chandra is an experienced mining professional with a strong technical and business background. He earned a Bachelor of Mining Engineering degree from the University of Queensland and holds dual Master’s degrees in Business Administration (MBA) and Mineral Economics from Curtin University, Australia.


      With over 14 years of experience in major mining projects across Australia, including iron ore, gold, copper, nickel, and mineral sands, Hamond has held various strategic roles, including serving as a principal consultant for global corporations such as BHP, Rio Tinto, and Newmont.


      Currently, he serves as the President Director of PT. Dian Purnawiraswasta, PT. Selo Agung, Selo Group, and PT. Mitra Cuan Abadi (BlastPro), while also managing an independent mining consultancy practice. With a systematic approach and a strong focus on operational efficiency, he continues to drive growth and innovation across all the business lines under his leadership.