Precision in Metal.
Heritage in Craft.

PT Alumina Tech Mandiri was built on a foundation of shared passion for metallurgy and metal casting, passed down through generations. What began as a small operation has grown into a structured company, while maintaining the same dedication to craftsmanship and precision. Today, we continue to develop reliable metal solutions with both experience and integrity.

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Years Of Experience
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Happy Customers
Google Map Review

With over 26 years of experience, serving 1,000+ customers, and a 4.8 rating, we deliver precise, reliable, and trusted metal solutions. Every project is handled with high quality standards and a long-term commitment to our clients.

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Built on legacy, driven by precision.

We don’t just work with metal—we carry forward a legacy of craftsmanship and responsibility. Every project we take on is built with precision, honesty, and a commitment to deliver results our clients can rely on. For us, trust is forged the same way as metal—through consistency and proven work.

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Abdurahman

CEO and Founder

What We Do

Comprehensive metal processing and casting solutions tailored for industrial needs.

01.

Metal Casting & Foundry

Precision casting for iron and non-iron metals, tailored to meet industrial specifications. We ensure consistent quality from mold to final output.

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02.

Metal Machining & Fabrication

Accurate machining and fabrication services to produce durable and functional components. Built with attention to detail and engineering standards.

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03.

Industrial Component Production

Manufacturing of technical metal parts for various industrial applications. Designed for performance, reliability, and long-term use.

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04.

Custom Metal Solutions

Flexible production based on client requirements, from prototype to bulk orders. We adapt to your specifications with efficiency and precision.

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Let’s Build Something That Lasts

Partner with a team that values precision, reliability, and long-term results. Tell us your requirements—we’re ready to deliver.

Why Clients Choose Us

Built on experience, strengthened by precision, and trusted for consistent results.

Generational Expertise

Built on knowledge passed down through generations, we bring deep practical understanding of metallurgy and metal casting—not just theory, but real hands-on experience.

Precision You Can Rely On

We focus on accuracy in every process, from casting to finishing. Our work is consistent, dependable, and aligned with industrial standards.

Flexible & Client-Focused

Every project is different. We adapt to your specifications, timelines, and requirements—whether for custom work or ongoing production needs.

Proven Since 2000

With over two decades of experience, we’ve grown from a small operation into a structured company—earning trust through consistent delivery.

Integrity in Every Process

We believe strong partnerships are built on honesty, responsibility, and clear communication throughout every stage of production.

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What Our Clients Say

Proven Results in Every Project

From casting to finished components, our work demonstrates reliability, accuracy, and industrial-grade quality.

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