Coal Mining Industry

Smart Trading & Operation with Our
Coals Mining Industry

Discover More →
50M+
Tons Processed Annually
25+
Years of Excellence
Innovation Hub

Advanced Technology Solutions

Learn More →
99.9%
Equipment Efficiency
24/7
Monitoring System
Green Initiative

Environmental Responsibility

Our Impact →
40%
Carbon Reduction
500+
Hectares Restored
Global Leader

Worldwide Operations

Explore →
15+
Countries Served
1000+
Global Partners


Summary Profile

Our Legacy

More than 25 (twenty five) years experience in professional business that has a proven track record of Business Managing, Managerial, Business Partnership, Business Operation, Business Development and Technical Solutions.


He was also Founder & CEO PT. Cipta Sistem Integrasi is a professional System Integration Company by experienced, skills and professional with unique ideas, powerful and customization solutions.


Several large companies that have collaborated include; Pertamina, Medco, Newmont NTT, Chevron, Saipem, PLN, Telkomsat, Telkomsel, Indosat, XL Axiata, Smartfren, Icon Plus, Indomaret, Traveloka, Kacific Satellite, and government sector (Police and Military, Ministry, Etc.)

About Kaldera Coal

About Us

About Kaldera Coal

DND ENERGY INTERNATIONAL (DND) is a trusted partner in the mining industry, specializing in coal trading and integrated mining services, committed to delivering reliable energy resources while upholding the highest standards of professionalism, safety, and sustainability. We have grown into a leading provider of end-to-end mining solutions, connecting global markets with reliable mineral resources while ensuring responsible and sustainable operations.


With operations strategically located in Indonesia, we specialize in the exploration, extraction, processing, and distribution of high-quality coal to support power generation and industrial needs both domestically and internationally.

Vision & Mission

Driving the future of sustainable coal mining with innovation, integrity, and excellence in every operation

🔭

Our Vision

To be the preferred global partner for mining trading and integrated mining services, recognized for our reliability, sustainability, and innovation

🎯

Our Mission

  • Provide high-quality mineral resources to global markets.
  • Deliver integrated, efficient, and safe mining solutions.
  • Foster strong partnerships with clients, suppliers, and communities
  • Drive sustainable development and environmental stewardship.

Our Business Values

At DND, our values guide the way we operate in the coal and mining industry, ensuring long-term growth, trusted partnerships, and responsible operations.

Integrity & Transparency

We uphold honesty and fairness in every business transaction, building trust with our partners and stakeholders.

Quality & Reliability

Delivering consistent coal quality and dependable services from pit to port, ensuring client satisfaction worldwide.

Safety & Responsibility

We prioritize the safety of our people, communities, and environment in all aspects of our operations.

Operational Excellence

Through efficiency, innovation, and professionalism, we continuously improve our mining, trading, and logistics performance.

Partnership & Growth

We believe in creating value through strong collaborations and sustainable growth with all stakeholders.

Our Services Coals And Mining Industry

⛏️

Mine Trading

Supplying coal and other mineral commodities.

🚛

Mining Operations

Exploration, extraction, and production.

🔧

Integrated Mining Services

Contract mining, drilling, blasting, hauling.

🌱

Logistics & Supply Chain

Barging, shipping, and port management.

📊

Mine Planning & Consulting

Technical and operational consulting.

Our Timelines Here

🚀
Start Process

Initial project setup and team assembly. Setting the foundation for successful project execution with proper planning and resource allocation.

👥
Hiring For Project

Available for Strategic Projects & Collaborations

📊
Strategic Business Plan

Operational efficiency through technology, compliance with government regulations and sustainable practices, including post-mining site repurposing.

💡
Calculating

Calculating for coal resources, reserves and calculating production costs.

⚙️
Process

Exploration & Survey, Mine Planning & Development, Overburden Removal (for surface mining), Coal Extraction, Coal Processing & Handling, Transportation & Logistics, Marketing & Distribution, Mine Closure & Rehabilitation

Meet Our Professional

Member Photo

Osvaldo Gerald

Project Manager

Member Photo

Stevanus Jordan

General Manager

Member Photo

Gerry Xavier

Mining Expert