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JORC – KCMI – SNI – VALMIN
The leader in Geology and Mining consultancy
Your trusted mining partner
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JORC/ KCMI/ SNI/ VALMIN

At HDJ Indonesia, we provide comprehensive reporting and compliance services in accordance with globally recognized standards such as JORC (Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves), KCMI (Indonesian Code), SNI, and VALMIN (Code for the Technical Assessment and Valuation of Mineral and Petroleum Assets).

These reporting frameworks ensure that exploration results, resource estimates, and reserve classifications are prepared with transparency, consistency, and technical integrity. Our certified Competent Persons possess extensive experience in applying these codes, ensuring that every report meets the highest professional and regulatory expectations.

Through the implementation of JORC and KCMI, we deliver detailed and defensible resource and reserve estimations, supported by robust geological and technical data. For asset valuation, our application of VALMIN principles provides investors, financiers, and regulators with credible insights into a project’s economic potential and associated risks.

In addition, compliance with SNI and other local standards guarantees that reporting aligns with national regulations while maintaining global comparability.

By adhering to these international codes, HDJ Indonesia enhances stakeholder confidence, facilitates investment readiness, and supports informed decision-making across all stages of project development — from exploration to financing and acquisition.

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We are a group of experienced geology and mining professionals who have collaborated to deliver the best to the mining industry

HDJ team members hold “competent person” status for several local and international codes.
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Why Choose HDJ?

Your trusted mining partner

Exploration Support

Exploration plan optimisation, supervision (QA/QC)

Practical Mine Planning

Detailed, realistic mine plans tailored to operational conditions.

Robust Financial Modelling

Probabilistic approach reflecting impacts of price, OPEX, and CAPEX changes.

Beyond Reports

Execution support through short-term planning, monitoring, and control.

Problem-Solving Approach

Identifying bottlenecks and delivering innovative yet practical solutions.

True Partnership

Working with clients, not just for them, to achieve better outcomes.

Timely Delivery

On schedule, without compromising quality.

 Long-Term Relationships

Supporting clients even beyond project completion.

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HDJ Indonesia

We understand the requirement of the fast-changing mining world on the verge of next Industrial Revolution

3 Year

experience

Quality

of Products

After Sales

Service